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Overnight Biscuits and Gravy Casserole
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Overnight Biscuits and Gravy Casserole

A hearty American casserole featuring buttery biscuits layered with creamy cheddar gravy. Overnight refrigeration enhances flavor integration, and optional protein variations keep it versatile for brunch or potlucks.
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Prep Time 20 minutes
Cook Time 35 minutes
Total Time 55 minutes
Servings: 8 servings
Course: LUNCH
Cuisine: American
Calories: 650
Ingredients Method Notes

Ingredients
  

  • 4 cups all-purpose flour
  • 2 tbsp baking powder
  • 1 tsp salt
  • 1/4 cup melted butter
  • 1 cup buttermilk
  • 2 cups shredded cheddar cheese
  • 1 cup diced cooked chicken
  • 1 cup diced cooked cauliflower
  • 1 cup low-sodium chicken broth
  • 2 tbsp unsalted butter
  • 2 tbsp all-purpose flour for roux
  • 2 cups milk
  • 1 tsp black pepper
  • 1/2 tsp smoked paprika
  • 1/2 tsp garlic powder

Method
 

  1. Preheat oven to 350°F (175°C)
  2. Whisk 4 cups flour, 2 tbsp baking powder, 1 tsp salt
  3. Mix in 1/4 cup melted butter and 1 cup buttermilk to form biscuit dough
  4. Portion dough into an oiled 9x13-inch casserole dish and spread in 2 even layers
  5. Sprinkle 1 cup cheddar cheese between the layers
  6. Add diced chicken or cauliflower if using, then spread remaining 1 cup cheddar cheese on top
  7. In a saucepan, melt 2 tbsp butter
  8. Stir in 2 tbsp flour to create a roux, then gradually add 1 cup broth and 2 cups milk
  9. Season with pepper, paprika, and garlic powder until sauce reaches desired thickness
  10. Pour gravy over casserole layers
  11. Cover and refrigerate overnight
  12. Uncover and bake for 30–35 minutes until golden and bubbly

Notes

For vegan version, substitute buttermilk and milk with non-dairy alternatives
Use vegetable broth if omitting chicken
Clarified butter provides higher smoke point for baking
Adjust cheese to taste (more cheddar gives richer flavor)
Store leftovers in airtight container up to 3 days