Tomato Sauce
1⁄2 can tomatoes, or
2 cups raw tomatoes
1 slice onion
1⁄2 bay leaf
1 teaspoon salt
1⁄8 teaspoon pepper
3 tablespoons butter
3 tablespoons flour
1⁄2 cup water or stock
Cook all the ingredients but the butter and flour in a cooker for one hour or more. Rub them through a strainer and add this, gradually, to the blended butter and flour.