Easy Philly Cheesesteak Party Sub

Heat oven to 350°F. In 12-inch nonstick skillet, melt 2 tablespoons of the butter over medium-high heat. Add peppers, onion and salt; stir to coat. Cook 14 to 18 minutes, stirring frequently, until onions are golden brown. Keep warm.

Meanwhile, in another 10-inch nonstick skillet, cook beef over medium-high heat 6 to 8 minutes, stirring frequently, until brown; drain. Return to skillet with grill seasoning, Worcestershire sauce and tomato sauce. Heat to simmering; cook 4 to 5 minutes or until heated through.

In small microwavable bowl, melt remaining 2 tablespoons butter uncovered in microwave. Slice bread in half lengthwise; scoop a little bread out of the top and bottom pieces of bread. Brush with melted butter; place on ungreased large cookie sheet cut side up. Bake 4 to 5 minutes or until lightly toasted. Spoon beef mixture onto bottom piece of bread; top with cheese and pepper mixture. Place other half of bread on top. Cut into 12 slices, and serve.