1 loaf French bread
1 pkg. Swiss cheese squares, sliced

Slice bread every 2 inches, nearly through. Add 1/2 slice of cheese in each slit. Wrap bread with foil, leaving top uncovered. Place on cookie sheet.

TOPPING:

1 1/2 sticks butter
1 tbsp. poppy seeds
1/4 tsp. seasoned salt
1 chopped onion
2 tsp. lemon juice
1 tbsp. brown mustard

Melt butter and add rest of ingredients. Pour over top of bread. Bake at 325 degrees for 30 minutes. Great with grilled meat.