Preheat oven to 400°F. Grease a 9×13 baking dish. <
P id=”instruction-step-2″>2. Brown beef with a dab of butter for 6–8 minutes. Drain excess grease.
Id=”instruction-step-3″>3. Add diced onions to beef, cook 3–4 minutes until softened.
=”instruction-step-4″>4. Remove from heat, stir in bacon, mayo, ketchup, mustard, salt, pepper, onion powder.
=”instruction-step-5″>5. Spread margarine on 6 slices of bread and cut in half. Place buttered side down in the dish.
=”instruction-step-6″>6. Sprinkle 2 cups of cheese over bread, then layer with beef mixture.
=”instruction-step-7″>7. Top with remaining cheese.
=”instruction-step-8″>8. Butter remaining 6 slices of bread, cut in half, place buttered side up.
=”instruction-step-9″>9. Bake for 20–24 minutes until golden and bubbly.
Instruction-step-10″>10. Let rest 5 minutes before serving.
