Iron Rich Smoothie Recipe with Spinach and Berries

This iron rich smoothie blends spinach, berries, cocoa, chia, and pumpkin seed butter into a thick, creamy drink with a balanced mix of earthy, fruity, and chocolatey flavors. It comes together in a blender in minutes and makes two generous servings for breakfast or a snack.

Ingredients

1 cup (240 ml) unsweetened oat beverage, plus more as needed for blending
1 packed cup (30 g) baby spinach, rinsed and well dried
1 cup (150 g) frozen strawberries
1 medium ripe banana (about 120 g peeled), sliced or broken into chunks
2 tablespoons (32 g) pumpkin seed butter
1 tablespoon (12 g) chia seeds
1 tablespoon (5 g) unsweetened cocoa powder
2 tablespoons (10 g) rolled oats
1 tablespoon (15 ml) fresh lemon juice
½ teaspoon (2.5 ml) vanilla extract
1 cup (140 g) ice, if you want a colder, thicker smoothie
1 teaspoon (7 g) maple syrup, optional, for extra sweetness

The spinach, chia, cocoa, oats, and pumpkin seed butter are the plant-based ingredients chosen to contribute iron to the blend. The exact amount in a serving depends on the products and portions used, so this recipe is not a substitute for personalized nutrition advice. Unsweetened oat beverage keeps the flavor mild; soy beverage or another milk alternative can stand in if that is what you have.

Instructions

Prepare the ingredients. Rinse and dry the spinach, measure the remaining ingredients, and break or slice the banana into pieces. If your blender is not high-powered, let the frozen strawberries sit at room temperature for about 5 minutes while you gather everything; this short rest is optional.
Load the blender. Pour in the oat beverage first, then add the spinach, strawberries, banana, pumpkin seed butter, chia seeds, cocoa, oats, lemon juice, and vanilla. Putting the liquid near the blades helps the ingredients circulate. Add the ice now if using it.
Blend until smooth. Start on low, then increase to high and blend for 45 to 60 seconds, or until you no longer see spinach flecks or oat pieces. Stop the blender before checking the texture. If the mixture is too thick to move, add oat beverage 1 tablespoon (15 ml) at a time and blend again.
Taste and serve. Taste a small spoonful. Add the optional maple syrup if you want a sweeter drink, then blend for another 5 to 10 seconds. Divide between two glasses and serve promptly, while cold and freshly blended.

Tips

Use a ripe banana for sweetness and body. A banana with brown speckles blends smoothly and gives the drink a naturally sweet flavor. If yours is only just ripe, add the optional maple syrup a little at a time rather than adding it automatically.
Keep the spinach dry. Excess rinse water can thin the smoothie and dull its flavor. A salad spinner or a clean towel works well. Baby spinach is mild and tender; mature spinach can taste more pronounced, so remove any tough stems before blending.
Adjust thickness gradually. Frozen fruit and chia both make the mixture thicker. Add more oat beverage in small pours if the blades struggle. If it turns out thinner than you like, blend in a few extra frozen strawberries or a small amount of ice rather than adding more chia and waiting for it to swell.
Blend long enough to break up the seeds and oats. Chia and rolled oats can leave a slightly grainy texture if the blender runs only briefly. If your blender is less powerful, blend in short bursts, pause to scrape the sides with the machine switched off, then continue until the drink is evenly mixed.

Serving Suggestions

Pour the smoothie into chilled glasses for a quick breakfast or an afternoon snack. It is filling enough to serve on its own, but it also pairs well with toast, a plain bagel, or a small bowl of cereal when you want something alongside it. For a spoonable version, use less oat beverage and leave out the ice, then pour it into a bowl and top with sliced strawberries, a pinch of chia seeds, or a few rolled oats.

For a make-ahead breakfast, measure the dry ingredients—chia, cocoa, and oats—into a small covered container the night before. Keep the spinach and fruit refrigerated or frozen separately, and blend everything with the liquid shortly before serving. This keeps the drink fresher in flavor and lets you adjust the texture at the end. If serving to several people, blend a batch immediately before pouring and stir the pitcher between servings, since thicker ingredients can settle.

Variations

Use another berry: Frozen raspberries or blueberries can replace the strawberries in the same amount. Raspberries make the drink tarter and their seeds remain noticeable; blueberries give it a darker color and a rounder, less tangy fruit flavor. If you use unsweetened berries and prefer a sweeter smoothie, adjust with maple syrup after blending.

Swap the seed butter: Tahini or smooth sunflower seed butter can replace pumpkin seed butter, tablespoon for tablespoon. Tahini adds a more distinct toasted, slightly bitter flavor, while sunflower seed butter is usually milder. Nut butters such as almond butter also work, though they change the flavor and are not suitable for anyone avoiding tree nuts. Check labels for allergens if serving guests.

Make it dairy-based: If dairy works for your table, use cold milk in place of the oat beverage. The smoothie will taste creamier and less oat-forward. You can also use another unsweetened, unflavored plant beverage. Sweetened or flavored varieties may make the finished drink sweeter, so taste before adding maple syrup.

Make a thicker blend: Add an extra ½ cup (75 g) frozen strawberries or reduce the oat beverage by 2 tablespoons (30 ml). Blend, check, and adjust in small increments. A very thick mixture may need more time and occasional pauses to scrape down the blender; do not force the motor if the blades stop moving.

Storage and Reheating

This smoothie is best immediately after blending, when it is cold and evenly textured. If you have leftovers, transfer them to a clean, covered container, leaving as little air space as practical, and refrigerate within 2 hours of blending. Use within 24 hours for the best flavor and texture. Chia continues to absorb liquid, and the fruit may separate, so a stored smoothie can become thicker or look layered.

Shake the container vigorously or stir well before drinking. If it has thickened, loosen it with a splash of oat beverage and blend or whisk again. Discard it if it has been left at room temperature for more than 2 hours, or if its smell or appearance seems off. Do not heat this smoothie: warming it changes the fresh fruit flavor and can make the texture less appealing. Freezing is possible in an airtight freezer-safe container, but separation after thawing is common; thaw it in the refrigerator and reblend until smooth. For the best result, freeze in portions and use within about 1 month.

Frequently Asked Questions

Can I use fresh strawberries instead of frozen?
Yes. Use 1 cup (150 g) hulled fresh strawberries and add the listed ice for a cold, thick drink. If you do not want to use ice, chill the fruit and oat beverage first; the smoothie will be less thick than one made with frozen berries.

Can I make this smoothie without a high-speed blender?
Yes, though a standard blender may need a little more time. Use tender baby spinach, let frozen strawberries soften for a few minutes, and blend the liquid with the spinach first until the leaves are finely broken down. Add the remaining ingredients and blend again, stopping to scrape the sides only after switching the blender off.

Can I prepare the smoothie the night before?
You can blend it ahead, cover it, and refrigerate it, but the texture is best fresh. Overnight, chia thickens the drink and the ingredients may separate. Stir or shake it before drinking, and add a little oat beverage if it has become too thick. For a fresher result, prep the measured ingredients ahead and blend in the morning.

What can I use instead of pumpkin seed butter?
Use smooth sunflower seed butter, tahini, or a nut butter you enjoy in the same 2-tablespoon (32 g) quantity. Each changes the flavor: tahini is more assertive, sunflower seed butter is mild, and nut butter brings its own roasted character. Choose an option that suits any allergies among the people you are serving.

Why does my smoothie taste earthy or bitter?
Spinach, cocoa, and seed butter all have flavors that can read as earthy, especially if the banana is not fully ripe or the cocoa is particularly intense. Add a little more ripe banana or a small amount of maple syrup, then blend and taste again. A splash of lemon juice can also sharpen the berry flavor, but add it gradually so the drink does not become too tart.

More recipes to cook

Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

Spotted an error? Tell us and we will correct it (corrections policy).