1 lb bulk spicy pork sausage
1 small onion, chopped (1/4 cup)
2 1/2 cups frozen diced hash brown potatoes
1 3/4 cups milk
1 cup Original Bisquick™ mix
1/4 teaspoon salt
1/4 teaspoon pepper
2 cups shredded sharp Cheddar cheese (8 oz)
Picante sauce or green hot sauce, if desired
Sour cream, if desired
1 Spray 13×9-inch (3-quart) glass baking dish with cooking spray. In 10-inch skillet, cook sausage and onion over medium-high heat 5 minutes, stirring occasionally. Stir in potatoes. Cook 5 to 7 minutes, stirring occasionally, until sausage is no longer pink and potatoes are lightly browned. Drain mixture on paper towels; spoon into baking dish.
2 In medium bowl, stir eggs, milk, Bisquick mix, salt and pepper with fork or whisk until blended. Stir in cheese. Pour over sausage mixture and stir well. Cover with nonstick foil; refrigerate 8 to12 hours.
3 Heat oven to 350°F. Bake casserole covered 45 minutes. Uncover; bake 10 to 15 minutes longer or until knife inserted in center comes out clean. Let stand 5 minutes before serving. Serve with picante sauce and sour cream.