OK Milkshake Recipe: A Simple Vanilla Shake

This OK milkshake recipe makes a classic vanilla shake with vanilla ice cream, milk, and a little vanilla extract. Blend it until smooth and serve it cold, with whipped cream if you like; the easy-to-adjust proportions make it simple to get the thickness you prefer.

The recipe makes two generous servings and takes about five minutes from measuring to pouring. Start with softened-but-still-frozen ice cream and add the milk gradually if you want a thicker shake. The flavor is deliberately simple, so it is also a handy base for chocolate, fruit, or cookie variations.

Ingredients

3 cups (420 g) vanilla ice cream, slightly softened
1 cup (240 ml) cold whole milk, plus up to 2 tablespoons (30 ml) more if needed
1 teaspoon (5 ml) vanilla extract
1 small pinch (about 0.3 g) fine salt, optional
½ cup (about 30 g) whipped cream, optional, for serving
2 maraschino cherries (about 10 g), optional, for serving

Instructions

Set up the blender. Use a blender jar large enough to hold the ice cream and milk with room for the mixture to move. If the jar is warm from washing, dry it and chill it briefly so the shake stays cold. Set out two glasses; chilling them in the freezer for a few minutes is optional.
Add the main ingredients. Put the ice cream, 1 cup (240 ml) of milk, vanilla extract, and the optional pinch of salt in the blender. Adding the milk first can help the blades catch, but either order works in most countertop blenders. Keep the extra milk nearby rather than pouring it in immediately.
Blend just until smooth. Start on low speed, then increase to medium or high for about 20 to 40 seconds, stopping as soon as the shake is evenly blended. If the blades spin without pulling the mixture down, switch off the blender and use a spatula to move the ice cream toward the blades. Do not reach into the jar while it is running.
Check the consistency. For a thinner shake, blend in the reserved milk 1 tablespoon (15 ml) at a time. For a thicker shake, add another small scoop of ice cream and pulse briefly. The ideal texture should pour from the jar in a slow, creamy stream rather than needing to be spooned out like hard ice cream.
Pour and serve right away. Divide the milkshake between the two glasses. Add whipped cream and a cherry if desired, and serve with a wide straw or a long spoon. A shake thickens as it sits, so bring it to the table as soon as it is poured.

Tips

Use ice cream that is scoopable, not melted. Let a very hard container stand at room temperature for about 5 minutes so you can measure it without forcing the scoop. Melted ice cream can make the shake thin and less frosty; putting it back in the freezer does not restore its original texture.
Adjust milk in small amounts. Ice cream brands vary in firmness and air content, so the same measured ingredients can blend differently. Begin with the listed cup of milk, then add more by the tablespoon. It is much easier to thin a thick shake than to fix a watery one.
Keep the blend brief. A long blend warms the ingredients and incorporates more air, which can leave the drink foamy and loose. Stop once no large ice cream pieces remain. If the blender struggles, pause and reposition the mixture rather than running it continuously.
Make a dairy-free version with matching ingredients. Use dairy-free vanilla frozen dessert and an unsweetened plant milk, such as oat or soy milk, in the same starting quantities. Add the milk gradually because different brands vary in thickness and sweetness; the finished shake may taste less rich or slightly different from the dairy version.

Serving Suggestions

Pour the shake into chilled glasses and serve it immediately while it is cold and thick. A wide straw works well, though a spoon is useful for a very thick shake or for collecting the last of the ice cream at the bottom. If adding whipped cream, pipe or spoon it on just before serving so it does not collapse into the drink while it waits.

For a simple dessert pairing, serve a small glass alongside a brownie, a plain butter cookie, or a slice of cake. The vanilla flavor is mild enough to accompany those treats without competing with them. For a casual snack, offer the shake with fresh strawberries or banana slices on the side. If serving several people, blend each batch shortly before pouring instead of leaving one large pitcher on the counter; the texture is best when freshly made.

You can also set out a few toppings for people to add at the table: a light dusting of cocoa, chocolate shavings, or a small spoonful of sprinkles. Keep toppings modest so the drink remains easy to sip. If the glasses are being carried outside, wait until just before serving to add whipped cream, and keep the milkshake out of warm conditions as much as possible.

Variations

Chocolate vanilla shake: Add 2 tablespoons (10 g) unsweetened cocoa powder or 2 tablespoons (30 ml) chocolate syrup to the blender with the ice cream. Cocoa gives a more pronounced, less sweet chocolate taste; syrup gives a sweeter, smoother result. Blend briefly and taste before adding any extra sweetener, since the ice cream and syrup may already make it sweet enough.

Oreo-style cookie shake: Add 4 chocolate sandwich cookies (about 45 g) to the basic mixture. Pulse a few times for visible cookie pieces, or blend longer for a more uniform gray-speckled shake. For a crunchy finish, crumble one additional cookie over the top instead of blending it in. Use a sturdy straw if the cookie pieces are left larger.

Strawberry shake: Blend in ½ cup (75 g) hulled fresh strawberries, or use frozen strawberries that have been thawed just enough to cut. The berries add moisture and a little tartness, so begin with the listed milk and add extra only if the blender needs help. A tablespoon (15 ml) of strawberry jam can be used instead for a sweeter, smoother flavor, though it will taste more like jam than fresh fruit.

Malted vanilla shake: Add 2 tablespoons (20 g) malted milk powder before blending. This gives the shake a toasted, malty flavor and makes it a little sweeter and more substantial. Malted milk powder contains dairy and is not the same as plain powdered milk; if it is unavailable, leave it out rather than substituting an equal amount of flour or another dry powder.

Peanut butter shake: Blend in 2 tablespoons (32 g) smooth peanut butter. The shake will become richer and thicker, so add milk a tablespoon at a time if needed. Peanut butter contains peanuts, so identify it clearly when serving guests and avoid it if a diner has a peanut allergy.

Storage and Reheating

A milkshake is at its best immediately after blending. If you need to hold it briefly, pour it into a clean, covered container and refrigerate it promptly; do not leave a dairy-based shake at room temperature for more than 2 hours, or 1 hour when the temperature is above 90°F (32°C). Refrigeration slows warming but does not preserve the original thick, airy texture. The shake may separate or become quite thin, so stir it before drinking.

For the best quality, drink a refrigerated leftover within 24 hours. If it has been stored longer, discard it rather than relying on smell or taste to judge whether it is safe. Do not pour a leftover shake back into the ice cream container, since that can introduce liquid and other ingredients into the tub.

Freezing is an option if you want to keep the mixture longer, but it changes the texture: it will freeze into a firm, icy dessert rather than remain a pourable milkshake. Freeze it in a freezer-safe airtight container for up to 1 month for best quality. To serve, let it soften in the refrigerator until it can be broken into pieces, then blend with a splash of cold milk. Do not thaw it on the counter for an extended period or refreeze a fully thawed leftover. There is no reheating step for this cold drink.

Frequently Asked Questions

How do I make a milkshake thicker?

Use more ice cream and less milk. For this recipe, blend the full 3 cups (420 g) of ice cream with the initial 1 cup (240 ml) of milk, then add no more milk unless the blender needs it. If the finished shake is too thin, blend in another small scoop of ice cream. A chilled glass also helps it stay thick for a little longer after pouring.

Can I make this without a blender?

Yes. Let the ice cream soften until it is easy to stir but still cold, then whisk it vigorously with the milk and vanilla in a large bowl or shake them together in a tightly sealed jar. A jar is easiest if you divide the ingredients into smaller portions and leave room for movement. The result will be less uniformly smooth than a blender-made shake, but it will still be creamy. Do not fill a jar to the top, and make sure its lid is secure before shaking.

Can I prepare milkshakes ahead of time for a party?

It is better to measure the ingredients and chill the glasses ahead, then blend just before serving. A finished shake loses its thick texture as the ice cream melts, even in the refrigerator. If you must make it a little early, cover and refrigerate it promptly, keep the wait short, and stir or briefly reblend before serving. Avoid leaving a pitcher out while guests arrive.

What kind of milk works best?

Whole milk gives a smooth, creamy result, but 2% milk also works and produces a slightly lighter shake. Skim milk can make the drink thinner, so begin with less than the listed amount and add it gradually. For a dairy-free shake, choose a plant milk with a flavor you enjoy; an unsweetened option gives you more control over sweetness. The texture depends on the frozen dessert as well as the milk, so adjust a little at a time.

Do I need to add sugar?

No extra sugar is needed for the basic recipe when the vanilla ice cream is already sweetened. Taste the shake after blending, especially if you use an unsweetened frozen dessert or add fruit with a tart flavor. If you want it sweeter, blend in 1 teaspoon (4 g) sugar or 1 teaspoon (5 ml) honey, then taste again. For variations with chocolate syrup, jam, or sweet cookies, wait until you have tasted the finished shake before adding anything more.

Can I use ice instead of ice cream?

Ice alone does not replace ice cream in this recipe. It makes the drink watery and icy rather than creamy, and it removes the vanilla flavor and sweetness that define the shake. If you do not have ice cream, a thick frozen dessert is the closest substitute; blend it with milk gradually. For a dairy-free option, a plant-based vanilla frozen dessert gives a more similar texture than ice cubes do.

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