Ingredients
10 thin slices sweet onion2 tablespoons butter, softened, divided1/2 pound lean ground beef (90% lean)1/4 teaspoon salt1/4 teaspoon pepper4 slices rye bread2 tablespoons Thousand Island salad dressing2 teaspoons prepared horseradish2 slices process American cheese or Swiss cheese
Preparation
In a large nonstick skillet, saute onion in 1 tablespoon butter until tender. Remove and keep warm.
Shape beef into two oval patties; sprinkle with salt and pepper. In the same skillet, cook patties over medium heat for 3-4 minutes on each side or until a thermometer reads 160° and meat juices run clear; drain. Remove and keep warm.
Spread remaining butter over one side of each slice of bread. Place in skillet, buttered side down, and toast until lightly browned.
Combine salad dressing and horseradish. On each of two slices of toast, layer a slice of cheese, a beef patty, and half of the onion and the dressing mixture. Top with remaining toast.
