Step 1

Heat oven to 350°F.

Step 2

Twist mushroom stems to remove from mushroom caps. Finely chop enough stems to measure 1/3 cup. Reserve mushroom caps.

Step 3

Melt 2 tablespoons butter in 10-inch skillet over medium-high heat. Cook chopped mushroom stems, onions and bell pepper in butter about 3 minutes, stirring frequently, until onions are softened; remove from heat. Stir in bread crumbs, Italian seasoning, salt and pepper. Fill mushroom caps with bread crumb mixture.

Step 4

Melt 1 tablespoon butter in rectangular pan, 13x9x2 inches, in oven. Place mushrooms, filled sides up, in pan. Sprinkle with cheese. Bake 15 minutes.

Step 5

Set oven control to Broil. Broil mushrooms with tops 3 to 4 inches from heat about 2 minutes or until tops are light brown. Serve hot.