King Cake Bubble Up
King Cake Bubble Up is a creamy, sweet brunch casserole that layers chopped cinnamon rolls with a rich cream cheese custard and a festive dusting of colored sugar. It bakes to a golden top with soft, custardy pockets inside, perfect for easy weekend gatherings or holiday brunches. Try it when you want a showy yet effortless centerpiece that pleases a crowd.
Equipment
- Hand Mixer
- Mixing Bowls
- 9x13-inch Baking Dish
- Chef Knives
- Cutting Board
Ingredients
- 2 (12.4-oz) cans refrigerated Pillsbury cinnamon rolls Provide ready-to-use sweet dough pieces that form the base and layers of the bubble up; open and separate rolls before arranging to create pockets that bake into pull-apart pieces. Add the spiraled cinnamon flavor and contribute to the cake’s overall structure and volume during baking.
- 1 (8-oz) package cream cheese, softened Soften to a spreadable texture and create a creamy, tangy filling that complements the cinnamon sweetness; beat until smooth to help bind sugars and eggs for a richer interior. Add moisture and a slight tang that contrasts the sweet dough, improving mouthfeel and sliceability.
- 2/3 cups sugar Sweeten and balance flavors by adding caramelized notes when mixed into the cream cheese layer or sprinkled between dough pieces; dissolve into fillings to provide even sweetness. Help caramelize lightly during baking for added depth and to cut the richness of dairy components.
- 2 eggs Enrich the mixture by providing structure, moisture, and emulsification; whisk into the cream cheese filling and milk to create a cohesive custard-like texture. Aid in setting the filling as it bakes, giving the finished dessert a tender, cake-like crumb.
- 1 tsp vanilla Enhance and deepen overall flavor with warm, familiar vanilla notes; stir into wet mixtures so the aroma infuses the dough and fillings. Support and round out the sweetness, making other flavors taste more harmonious and developed.
- 1 cup milk Add liquid to create the correct batter or custard consistency when combined with eggs and cream cheese; whisk in to loosen fillings and help ingredients blend smoothly. Contribute to steam during baking, which aids in leavening and creates a tender interior.
- purple, yellow, green sugar Provide vibrant, festive decoration and a hint of crystalline texture when sprinkled over glaze or dough; apply in traditional Mardi Gras colors after baking for visual authenticity. Reinforce celebratory appearance and add a subtle crunchy contrast to the soft baked elements.
Instructions
- Preheat oven to 375ºF. Lightly spray a 9×13-inch pan with cooking spray.: As the oven warms, you will notice a gentle hum and the faint scent of heating metal, which signals the environment that will puff and set the custard. Preheating ensures the cinnamon rolls begin baking immediately on contact, promoting even rise and a golden color. If you skip thorough preheating the bake time will be longer and the inside may remain too soft, so always wait until the oven reaches the full 375ºF reading.
- Separate cinnamon rolls, save icing to use after the bubble up is baked. Cut each cinnamon roll into 4 pieces. Place in bottom of prepared pan.: When you coat the pan, the thin oily sheen prevents sticking and helps the edges brown cleanly. A well prepared pan releases the casserole easily and keeps the presentation tidy. Avoid heavy oiling which pools and causes greasy spots; a light, even spray is all you need.
- Using a hand held electric mixer, beat together cream cheese and sugar. Add eggs and vanilla, mixing well. Add milk and mix until combined. Pour over chopped cinnamon rolls.: As you pull apart each can, you will hear small tearing sounds and see the tight spirals loosen; reserving the icing preserves its glossy sweetness for the finish. Saving the icing lets you add a smooth, sweet layer once the casserole cools slightly. A common error is mixing the icing in too soon which makes it runny during baking, so keep it aside until after cooling.
- Bake for 30 to 35 minutes. Remove from oven and cool for 5 to 10 minutes. Spread cinnamon roll icing over top of casserole. Sprinkle with colored sugar.: Cutting into quarters creates bite sized chunks that will soak up the custard evenly and develop toasted edges in the oven. Aim for consistent piece sizes to ensure uniform texture throughout the pan. If the pieces are wildly uneven some will burn while others remain doughy, so take a moment to make tidy cuts.
- Place in bottom of prepared pan: As you arrange the pieces, you will notice shifting shapes and little gaps where custard can pool; this is desirable because the liquid will nestle into every crevice. Distribute the pieces so no one area is overloaded, which helps the custard penetrate evenly. Pressing down is unnecessary, as light placement allows the dough to puff naturally.
- Using a hand held electric mixer, beat together cream cheese and sugar: When you blend cream cheese and sugar , the mixture becomes smooth and slightly glossy, losing any lumps and gaining a uniform texture. Properly creamed ingredients dissolve better into the custard, preventing graininess. If the cream cheese is still cold you will see small clumps, so let it warm to room temperature to avoid uneven mixing.
- Add eggs and vanilla, mixing well: Adding the eggs and vanilla introduces structure and aromatic lift; the mixture will lighten slightly and smell faintly floral from the vanilla. Proper incorporation keeps pockets of egg from cooking in the oven, ensuring a consistent custard. Overmixing can introduce excess air, which may alter the final texture, so combine until homogeneous but not frothy.
- Add milk and mix until combined: When you pour in the milk , the batter loosens into a pourable custard; its surface will gleam and flow smoothly. This step is crucial because the milk determines how much the dough will soak and how creamy the interior becomes. If the milk is cold it can momentarily stiffen the mixture, so stirring until fully integrated avoids lumps and ensures even texture.
- Pour over chopped cinnamon rolls: As you pour, the custard will settle into gaps and begin to sink around the dough pieces, a satisfying visual cue that the dessert will knit together in the oven. The custard should coat surfaces and pool in low spots, promising pockets of creaminess when baked. If you see dry islands, tilt the pan slightly or use a spoon to encourage coverage so each piece soaks properly.
- Bake for 30 to 35 minutes: During baking you will observe gentle puffing, a light golden sheen, and a fragrant swirl of cinnamon and baked dairy. The edges will darken first, offering a crisp contrast to the soft center, and a toothpick inserted into the middle should come out with moist crumbs rather than raw batter. Avoid opening the oven frequently, which can drop the temperature and prolong baking; trust the time and watch for those golden cues.
- Remove from oven and cool for 5 to 10 minutes: Cooling allows the custard to settle so slices hold shape, and the aroma shifts from hot dairy to a slightly caramelized sweet scent. A short rest helps the icing adhere rather than slide off, ensuring a neat glaze layer. Cutting too soon risks a runny center, so be patient for the ideal fork friendly texture.
- Spread cinnamon roll icing over top of casserole: When you spread the reserved icing, it will soften from contact with the warm surface and create a glossy, sweet coat that complements the tangy custard. Use a spatula to create an even layer, leaving little peaks that pick up colored sugar well. If the casserole is too hot the icing can melt away, so aim for a warm but not steaming surface to maintain texture.
- Sprinkle with colored sugar: The final dusting of purple, yellow, and green sugar adds crunch and festive color, catching the light and signaling celebration. Sprinkle evenly so every portion gets a bright accent and slight textural contrast. Add the sugar just before serving, as early application can dissolve into the glaze and lose its sparkle.
Notes
- Soften dairy first If your cream cheese is cold, let it sit at room temperature for 30 minutes to avoid lumps when mixing, which makes for a silkier custard.
- Even cuts matter Try to cut each cinnamon roll into similarly sized pieces so they brown and soak evenly, preventing underdone pockets.
- Bake time adjustments If your oven runs hot, check five minutes early for doneness via toothpick to avoid overbrowning the edges.
- Milk choice Use whole milk for a richer custard, or lower fat milk for a slightly lighter texture, understanding richness will vary.
- Serving timing Allow a 5 to 10 minute cool down so the casserole sets and the icing adheres rather than sliding off.
- Storage Store leftovers covered in the refrigerator and rewarm briefly in a low oven to refresh the crust without drying the inside.