Ingredients
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½ cup mayonnaise
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1 tablespoon grainy mustard
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2 celery stalks, chopped
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½ small onion, chopped
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2 tablespoons capers, chopped
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1 teaspoon ground black pepper
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3 6-ounce cans chunk tuna, drained
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Salt
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4 thick slices crusty sourdough bread
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4 ounces old cheddar, grated
Directions
- Preheat broiler.
- Combine mayonnaise, grainy mustard, celery, onion, capers, and pepper to a bowl. Add tuna and stir to combine. Season with salt. Place sourdough bread slices on baking sheet and top each slice with tuna mixture. Sprinkle grated cheddar over each piece.
- Broil for 2-4 minutes or until cheese is melted and slightly browned.
