Sardines Toast Special A fish on toast delight By Guest Contributor September 2, 2009 Quick Preparation Time Cook Time Servings0IngredientsSardines in tomato sauce. 1 red onionBreadBlack Pepper.Butter-optionalInstructions Step 1: Chop some of the red onion finely. Put the remainder in the fridge for another use. Step 2: Toast Bread to desired crunch, then butter. Step 3: If the thought of eating certain bits of the fish bothers you, i suggest taking them out first. But it really does taste all the same. So spread as little, or as much on the bread as you like. Step 4: Spread the onion on top, and finish with a sprinkling of black pepper. Step 5: Step 6: Yummy.