Spanish Sauce - cooking recipe

Ingredients

1/4 cup butter
2 tablespoons onions, chopped
2 tablespoons green peppers, chopped
1/4 cup celery, chopped
4 tablespoons flour
2 cups canned tomatoes, diced
1/2 teaspoon salt
1/4 teaspoon pepper
1 tablespoon lemon juice

Preparation

Melt butter in heavy saucepan on top of stove.
Add chopped onion, green peppers and celery; simmer until onions are translucent but not browned.
Add flour and mix well.
Add tomatoes, seasonings and lemon juice.
Bring to a boil, stirring constantly.
Reduce heat, cover and simmer for 7 minutes.
Serve hot on omelets, pork chops or veal cutlets.