Slice onions 1/8″ thick and cut into 1″ chunks.

In a heavy 8-quart sauce pan, melt margarine or butter over medium heat.

Add onions and sauté 65 to 70 minutes or until onions turn a rich brown color, stirring frequently. (Caution: be careful not to burn the onions.)

Stir in water and Karlsburger “Xtra-Fine” Beef Base. Heat to boiling, stirring frequently. Reduce heat and gently simmer 5 minutes.

Serve hot, garnished with 1 slice toasted French bread topped with melted shredded Gruyere or Swiss Cheese (optional).