Mustard Onions - cooking recipe

Ingredients

2 lbs. Onions, sliced
1/3 c. Bacon Drippings
1/3 c. Vinegar
2 Tbsp. Prepared Mustard
1 tsp. Salt
1 can Tomato Puree (10 oz.)
3/4 c. Boiling Water
1/4 tsp. Salt
1 scant c. Brown Sugar
2 c. Bread Squares
1/4 c. Melted Butter

Preparation

Pour butter over squares.
Add boiled ingredients, and bake 1/4 to 1/2 hour in a moderate (350\u00b0) oven.
Serve with main course.