1 loaf unsliced French bread
1/2 c. softened butter
2 tbsp. Dijon mustard
1 tbsp. poppy seed
1 grated onion
2 tsp. lemon juice
1 tsp. sugar

Slice bread into 3/4" slices. Mix together butter, mustard, poppy seed, onion, lemon juice and sugar. Spread mixture on each slice. Top with pieces of Swiss cheese and bacon bits. Place on foil and bake at 350 degrees for 20 minutes.