Biscuits and Sausage Breakfast Casserole

his Sausage Breakfast Casserole is made with fluffy biscuits, egg and milk mixture, sausage, and onions.

Course Breakfast
Cuisine American
Keyword biscuits, breakfast casserole, brunch, casserole, eggs, sausage
Prep Time 10 minutes
Cook Time 45 minutes
Total Time 55 minutes
Servings 12
Calories 478 kcal


  • 25 oz frozen southern style biscuits (grands)
  • 1-2 tbsp canola oil
  • 1 1/4 lbs raw breakfast sausage preferably ground but you can break apart patties
  • 1 small yellow onion diced
  • 8 large eggs
  • 1 cup whole milk (can use reduced fat)
  • 3/4 cup heavy whipping cream
  • salt
  • fresh cracked black pepper
US Customary - Metric


  1. Take biscuits out and let them thaw on parchment paper lined cutting board. They should be thawed in about 30 minutes.

  2. Preheat oven to 375 and grease a 9x13 baking dish. 

  3. Preheat medium cooking pan and add canola oil.

  4. Add diced onion and saute until transparent.

  5. Add breakfast sausage, break it apart, and cook until it's cooked through. Break apart clumps as sausage cooks.

  6. Cut each biscuit in fours and lay the biscuit quarters in the bottom of the prepared baking dish, in one even layer. 

  7. Spread cooked sausage and onion mixture over the biscuits.

  8. In a mixing bowl, whisk eggs, milk, heavy whipping cream, salt, and pepper together until smooth.

  9. Gently pour the egg mixture all over the biscuits and sausage. 

  10. Bake for 30-35 minutes until the internal temperature in the center of the casserole reaches 165°.

  11. Note: try serving this breakfast casserole with some sausage gravy.

Recipe Notes

All images and text ©Lyubov Brooke for ©Will Cook For Smiles. Please do not use my images without prior permission. If using my posts in collections and features, please link back to this post for the recipe. Disclaimer: Nutrition information shown is not guaranteed to be 100% accurate as most ingredients and brands have a slight variation.

Nutrition Facts
Biscuits and Sausage Breakfast Casserole
Amount Per Serving
Calories 478 Calories from Fat 288
% Daily Value*
Fat 32g49%
Saturated Fat 10g63%
Cholesterol 166mg55%
Sodium 913mg40%
Potassium 341mg10%
Carbohydrates 31g10%
Sugar 3g3%
Protein 15g30%
Vitamin A 445IU9%
Vitamin C 1.1mg1%
Calcium 84mg8%
Iron 3mg17%
* Percent Daily Values are based on a 2000 calorie diet.