Grilled Cheddar Burgers Recipe - BettyCrocker.com

Ingredients

• 1 lb. lean ground beef
• 1/4 cup finely chopped onion
• 1 (4-oz.) can mushroom pieces and stems, drained
• 1/2 teaspoon garlic powder
• 1/4 teaspoon salt
• 1/4 teaspoon pepper
• 1 teaspoon Worcestershire sauce
• 2 tablespoons margarine or butter, softened
• 8 diagonally cut slices French bread (1/2 inch thick)
• 4 (1-oz.) slices Cheddar cheese