Onion Mushroom Burgers

Ingredients

• 1 1/2 pounds ground beef
• 2 tablespoons sour cream
• 2 tablespoons ketchup
• 1 envelope onion soup mix
• 1/2 cup cornflake crumbs
• 1 (4-ounce) can chopped mushrooms, drained
• 1 tablespoon flour, divided
• 1 tomato, sliced
• 6 lettuce leaves
• 6 hamburger buns, toasted

Directions

• 1
  Combine ground beef, sour cream, ketchup, soup mix and cornflake crumbs in bowl; mix well. Mix mushrooms into the ground beef mixture.
• 2
  Sprinkle half the flour onto waxed paper. Shape ground beef mixture into 6 patties; place on waxed paper. Sprinkle with remaining flour.
• 3
  Preheat a heavy skillet sprayed with nonstick cooking spray. Sear patties on both sides. Reduce heat to medium. Cook, loosely covered, until cooked through, about 5 minutes per side.
• 4
  Drain patties on paper towels. Assemble tomato, lettuce and patties on toasted buns. Serve immediately.