Step 1

Heat oven to 375°F. Spray 12 regular-size muffin cups with cooking spray.

Step 2

In 10-inch skillet, cook sausage and onion over medium-high heat 5 to 7 minutes, stirring frequently, until sausage is no longer pink; drain. Cool 5 minutes; stir in mushrooms, salt, sage and cheese.

Step 3

In medium bowl, stir baking mixture ingredients with whisk or fork until blended. Spoon 1 scant tablespoon baking mixture into each muffin cup. Top with about 1/4 cup sausage mixture. Spoon 1 tablespoon baking mixture onto sausage mixture in each muffin cup.

Step 4

Bake about 30 minutes or until toothpick inserted in center comes out clean, and tops of muffins are golden brown. Cool 5 minutes. With thin knife, loosen sides of pies from pan; remove from pan and place top sides up on cooling rack. Cool 10 minutes longer, and serve.