Spanish Sauce - cooking recipe

Ingredients

flour (enough to make thickening for top)
4 Tbsp. chopped onion
4 Tbsp. chopped green pepper
4 Tbsp. butter
1/2 c. celery, chopped
2 c. tomatoes
salt and pepper to taste

Preparation

Saute the green pepper, celery and onion in butter until soft. Add tomatoes; let simmer for 15 minutes.
Season to taste with salt and pepper.
Thicken mixture with flour and water thickening. Cook for 5 minutes.
Pour over omelet.