Overnight Crockpot Cinnamon Roll Casserole

This Overnight Crockpot Cinnamon Roll Casserole takes two cans of store-bought cinnamon rolls and turns them into a soft, pull-apart breakfast that basically cooks itself while you sleep.

You just layer the rolls, pour over a quick egg custard, and let the slow cooker handle everything else. It’s the hands-off holiday morning dish you’ll come back to year after year.

Why This Slow Cooker Breakfast Works

The crockpot steams the dough so it puffs into a tender, bread pudding-like center while the top turns golden and the cinnamon sugar caramelizes at the edges. Every bite gets a swirl of warm icing.

It tastes like from-scratch cinnamon rolls with about ten minutes of actual effort. No kneading, no rolling, no waiting on dough to rise, just dump, whisk, and walk away.

Ingredients

• 2 (12.4 oz) cans refrigerated cinnamon rolls, with icing packets reserved: standard Grands-style rolls work best
• 4 large eggs: room temperature
• 1/2 cup whole milk: or 2% milk
• 1/4 cup heavy cream: adds richness, sub more milk if needed
• 1 teaspoon vanilla extract
• Pinch of fine sea salt
• Butter for greasing the slow cooker

Variations / Substitutions

• Extra cinnamon: whisk 1/2 teaspoon ground cinnamon into the custard for a stronger spice kick.
• Crunchy top: scatter 1/3 cup chopped pecans or walnuts over the rolls before pouring the custard.
• Lighter version: use milk in place of the heavy cream and skip the butter greasing by using a slow cooker liner.
• Dairy-free: choose dairy-free cinnamon rolls and use oat or almond milk for the custard along with plant-based butter.

If you enjoy this, you might also like my Overnight French Toast Bake.

How To Make Crockpot Cinnamon Roll Casserole

Step 1: Layer the Cinnamon Rolls

Grease the bottom and sides of a 5- or 6-quart slow cooker insert with butter. Open both cans, set the icing packets aside, and separate the rolls. Cut each roll into 6 pieces and scatter them evenly across the bottom of the slow cooker.

The pile will look a little crowded, but that’s exactly what you want. The pieces will steam and puff up into a soft, cohesive casserole as they cook.

Step 2: Whisk the Custard

In a medium bowl, whisk the 4 eggs, 1/2 cup milk, 1/4 cup heavy cream, 1 teaspoon vanilla, and a pinch of salt until the mixture is smooth and uniform in color.

You’re looking for a pale yellow liquid with no streaks of egg white. This takes about 30 seconds of vigorous whisking. For extra cinnamon flavor, sprinkle in a little of the loose cinnamon sugar from one of the roll cans.

Step 3: Pour the Custard Over the Rolls

Pour the egg mixture evenly over the cinnamon roll pieces. Use a spatula to gently press the dough down so every chunk gets a good soak. Cover with the lid and cook on LOW for 2 1/2 to 3 hours, or on HIGH for 1 1/2 to 2 hours.

The casserole is done when the center is set and no longer jiggly, and the top looks deep golden. The edges will have a slight crispness and your kitchen will smell like a bakery.

Step 4: Drizzle and Serve

Remove the crock from the base, or keep it in the base and turn it off, then let the casserole rest for 5 minutes. Open the reserved icing packets and spoon the icing over the top, spreading it around so it melts into every nook.

Scoop big spoonfuls onto plates while it’s still warm and gooey. Serve as is, or add a light drizzle of maple syrup if you like.

Tips for the Best Cinnamon Roll Casserole

• Use the low setting for an overnight cook: prepare everything before bed, cook on LOW for 6 to 7 hours, and wake up to breakfast ready to serve. The longer cook time makes the bread pudding texture even softer.
• Let the casserole rest for those 5 minutes before you dig in. This helps the custard finish setting and makes it easier to scoop clean portions.
• If the top isn’t golden enough after the cook time, remove the lid and let it sit on the warm setting for 15 minutes, or run it under a broiler for a minute or two (use an oven-safe insert only and watch continuously).
• Use a slow cooker liner for the easiest cleanup. The icing can get sticky, and a liner saves scrubbing later.

A quick guide to cooking times:

Keeping Leftovers Fresh

• Refrigerate: store leftovers in an airtight container for up to 3 days. The texture stays soft thanks to the custard.
• Reheating: microwave individual portions for 30 to 60 seconds, or place in a 300°F oven for 8 to 10 minutes until warmed through.

What To Serve With Crockpot Cinnamon Roll Casserole

Salty sides balance the sweet, gooey casserole best. Crispy bacon or breakfast sausage adds a savory contrast and the crunch breaks up the soft texture. A big bowl of fresh berries or sliced peaches keeps things bright, and a hot mug of black coffee or a cold glass of milk rounds it all out.

Frequently Asked Questions

Can I double this recipe?

Yes, but only if you have a 6-quart or larger slow cooker. Pile the dough pieces no more than halfway up the insert so the custard can still set. Add 30 to 45 extra minutes to the cook time on low, and check the center is fully set before serving.

Can I use homemade cinnamon rolls instead of canned?

You can, but you’ll need unbaked cinnamon roll dough. Cut the raw dough into pieces, layer them in the slow cooker, and be prepared for a longer cook time since the dough needs to proof and bake through. It’s a project for a lazy Sunday, not a quick shortcut.

Why did my casserole turn out soggy?

Sogginess usually means the custard didn’t fully set. Cook it a little longer next time, or make sure you’re not using an unusually deep slow cooker that traps more steam. Pressing the dough down into the custard also helps it absorb evenly.

Can I make this dairy-free?

Absolutely. Use a dairy-free refrigerated cinnamon roll brand (many accidental-vegan ones exist), swap the milk and cream for a rich plant-based alternative like oat or cashew milk, and grease the pot with vegan butter.

Crockpot Cinnamon Roll Casserole Recipe

Print Recipe Pin Recipe

Prep Time 10 minutes mins

Cook Time 3 hours hrs

Total Time 3 hours hrs 10 minutes mins

Servings: 6 servings

Calories: 480

Ingredients Method Notes

Ingredients

  

• 2 (12.4 oz) cans refrigerated cinnamon rolls, with icing packets reserved
• 4 large eggs
• 1/2 cup whole milk
• 1/4 cup heavy cream
• 1 teaspoon vanilla extract
• Pinch of fine sea salt
• Butter for greasing the slow cooker

Method

 

1. Grease a 5- or 6-quart slow cooker with butter. Cut each cinnamon roll into 6 pieces and scatter them evenly in the bottom. Set the icing packets aside.
2. Whisk the eggs, milk, heavy cream, vanilla, and salt together until smooth.
3. Pour the custard evenly over the dough pieces, pressing them down gently so they soak. Cover and cook on LOW for 2 1/2 to 3 hours or on HIGH for 1 1/2 to 2 hours, until the center is set and the top is golden.
4. Let the casserole rest for 5 minutes, then spoon the reserved icing over the top and serve while warm.

Notes

For true overnight cooking, use the low setting and extend the time to 6 to 7 hours. The casserole will be even softer with that long steam.