Cinnamon roll sandwich filling is a soft, creamy mixture of cream cheese, butter, cinnamon, and vanilla made to spread between two cinnamon rolls. A little powdered sugar sweetens it without making the filling runny, so it works for freshly baked rolls or cooled rolls turned into a playful sandwich.
Ingredients
- 4 oz (113 g) full-fat cream cheese, softened
- 2 tbsp (28 g) unsalted butter, softened
- 1 cup (120 g) powdered sugar, sifted if lumpy
- 1 tsp ground cinnamon
- 1 tsp vanilla extract
- 1 pinch fine salt, about ⅛ tsp (0.5 g)
- 1–2 tsp (5–10 ml) milk or cream, only if needed to loosen the filling
Instructions
- Set the cream cheese and butter out until softened, about 30–45 minutes. They should yield gently when pressed but should not be melted. If using refrigerated cinnamon rolls, let them cool completely before filling so the mixture does not melt and slide.
- Place the cream cheese and butter in a medium bowl. Beat with a hand mixer on medium speed for 1–2 minutes, scraping the bowl once, until smooth and creamy. A sturdy spoon and some elbow grease work too; make sure no firm cream-cheese lumps remain.
- Add the powdered sugar, cinnamon, vanilla, and salt. Mix on low until the sugar is incorporated, then beat on medium for about 30 seconds. Start on low to keep powdered sugar from puffing out of the bowl.
- Check the consistency. The filling should be thick but easy to spread. If it feels too stiff, mix in milk or cream 1 teaspoon (5 ml) at a time. If it is too soft, add powdered sugar 1 tablespoon (8 g) at a time or chill it for 15 minutes.
- For six sandwiches, split six cooled cinnamon rolls horizontally through the middle. Spread about 2 tablespoons (30 g) filling over the cut side of each bottom half, leaving a small border so it does not squeeze out. Set the tops in place and serve. For warm rolls, allow them to cool until just barely warm before filling, or serve the filling on the side for dipping.
Tips
- Soften, don’t melt: Melted butter or warm cream cheese can make the filling greasy and loose. If either becomes too soft, chill the mixture for 10–15 minutes, then beat briefly until spreadable.
- Adjust the sweetness: For a tangier filling, reduce the powdered sugar to ¾ cup (90 g). It will be softer and less sweet, so chill it before assembling if necessary.
- Choose the right cinnamon rolls: Small rolls make neater sandwiches. If your rolls are especially sweet or heavily iced, scrape off some icing before filling; otherwise the sandwich may become overly sweet and slide apart.
- Make it smooth: Sift powdered sugar if it has hard lumps, and scrape the bowl while mixing. Add liquid sparingly; even an extra tablespoon can make the filling too loose to stay between the rolls.
Serving Suggestions
Serve the sandwiches as a brunch treat, dessert, or an occasional sweet snack. They pair well with unsweetened coffee, black tea, or a glass of milk. For a simpler presentation, leave the cinnamon rolls whole and spread the filling on the cut sides just before serving, rather than assembling them in advance.
For a smaller portion, cut each assembled sandwich into halves or quarters and arrange the pieces on a platter. A light dusting of cinnamon is enough for a finishing touch; extra powdered sugar is usually unnecessary because both the rolls and filling are sweet.
Variations
- Maple: Replace the vanilla with ½ teaspoon (2.5 ml) maple extract, or beat in 1 teaspoon (5 ml) maple syrup. Syrup loosens the filling slightly, so add it before deciding whether extra liquid is needed.
- Orange-cinnamon: Mix in ½ teaspoon finely grated orange zest. It adds a fresh citrus note without changing the texture much.
- Nutty: Fold in 2 tablespoons (15 g) finely chopped toasted pecans or walnuts after mixing. Keep pieces small so the filling spreads evenly and the sandwiches hold together.
- Less rich: Use light cream cheese in place of full-fat cream cheese. The filling may be softer and less creamy; chill it for 20–30 minutes before spreading. Avoid fat-free cream cheese, which can become watery.
Storage and Reheating
Because the filling contains cream cheese, refrigerate it and any assembled sandwiches within 2 hours. Store the filling in an airtight container for up to 4 days at 40°F (4°C) or colder. Keep assembled sandwiches in a covered container in the refrigerator and eat them within 1–2 days; the rolls gradually absorb moisture and lose their soft texture.
To use chilled filling, let it stand at room temperature for 10–15 minutes, then stir or beat briefly until spreadable. Do not leave it out for more than 2 hours total, or more than 1 hour if the room is above 90°F (32°C). Reheating the filling is not recommended. Warm the cinnamon rolls separately, if desired, and let them cool until barely warm before assembling, or the filling may melt. Freeze the filling in a tightly sealed container for up to 1 month; thaw it overnight in the refrigerator and beat until smooth. Texture may be slightly grainier after thawing.
Frequently Asked Questions
Can I make cinnamon roll sandwich filling ahead?
Yes. Prepare it up to 4 days ahead and keep it covered in the refrigerator. Before spreading, let it soften briefly at room temperature and stir until smooth. Assemble the sandwiches shortly before serving for the best texture.
Can I use this as cinnamon roll icing?
Yes. It makes a thick cream-cheese-style topping. For a thinner glaze, beat in milk 1 teaspoon (5 ml) at a time until it reaches the consistency you want, then spread it over cooled rolls.
Why is my filling runny?
Most often, the butter or cream cheese was too warm, or too much milk was added. Chill the bowl for 15–20 minutes, then beat briefly. If it still needs thickening, mix in powdered sugar a tablespoon at a time.
Can I make it without a mixer?
Yes. Let the ingredients soften well, then mash the cream cheese and butter together with a fork or sturdy spatula until smooth. Add the powdered sugar in small batches and stir thoroughly to avoid lumps.
Can I use salted butter?
Yes. Omit the added pinch of salt and taste the filling before assembling. Salt levels vary among butter brands, so add a small pinch only if the finished mixture tastes flat.
How much filling should go in each sandwich?
Start with about 2 tablespoons (30 g) for a standard cinnamon roll. Use less for small rolls and spread a thin layer first; adding too much makes the filling squeeze out when you replace the top.
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