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Bisquick Breakfast Casserole with Sausage

Casey Rooney
This Easy Bisquick Breakfast Casserole with Sausage is always a crowd-pleaser and SO easy to make! Sausage, eggs, cheese and Bisquick baking mix are combined to make this super simple casserole that's perfect for breakfast or brunch. It can be easily be made ahead the day before, too for a stress-free morning!
5 from 12 votes
Prep Time 10 minutes
Cook Time 35 minutes
Resting Time 10 minutes
Total Time 55 minutes
Course Breakfast, brunch
Cuisine American
Servings 8
Calories 435 kcal

Ingredients
  

  • 1 lb. breakfast sausage Bulk, without casings. Both pork sausage or turkey sausage work great.
  • 1 cup onion, chopped
  • 1 bell pepper, chopped any color, or use a combo!
  • 6 large eggs
  • 1 cup Bisquick All-Purpose Baking Mix
  • 2 cups cheese, grated sharp cheddar cheese, Monterey Jack, mozzarella cheese...choose you favorites!
  • 2 cups milk whole milk works best, but low-fat milk or half and half are also OK
  • 3 tsp mustard
  • 2 tbsp maple syrup
  • 1/2 tsp kosher salt See Note 1
  • black pepper to taste

Instructions
 

  • Preheat oven to 375°F and spray a 9x11 baking dish (or similar) with cooking spray.
  • In a large skillet, cook sausage, breaking it up with a wooden spoon as it cooks. Pro Tip: Use a potato masher during the last minute of cooking to get the meat broken up nice and fine. When sausage is cooked, drain the grease. Then, add onion and bell pepper to the skillet with the cooked sausage. Cook 1 minute more. Transfer mixture to the baking dish.
  • In a large mixing bowl, whisk eggs, Bisquick, milk, mustard, maple syrup, salt, pepper and 1 1/2 cups of the cheese (reserve the rest of the cheese for the top, at the end of cooking). Whisk until all ingredients are well-combined.
  • Pour Bisquick mixture into the baking dish over the sausage and veggies. Bake, uncovered for 35-40 minutes until the edges are golden brown and the center is nearly set. The center might be A LITTLE jiggly, but it will continue to set when it comes out of the oven. A few minutes before you are ready to take it out of the oven, sprinkle on the remaining cheese.
  • Take the casserole out of the oven and let it rest for 10-15 minutes before cutting it into squares. Optional: sprinkle with green onions or parsley for a little freshness!

Notes

Note 1: This may not seem like a lot of salt, but the Bisquick mix already has a good amount of salt in it already...so we don't want to overdo it! 
 
Nutrition information is only an estimate. Info is based on the Very Well Fit Nutrition Calculator.
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Nutrition

Calories: 435kcalCarbohydrates: 13gProtein: 26gFat: 31gSaturated Fat: 13gCholesterol: 220mgSodium: 889mgPotassium: 408mgFiber: 1gSugar: 8gVitamin D: 48µgCalcium: 323mgIron: 2mg
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