By Grocery List Plus Editorial Staff | Published on June 9, 2026
Serves 4
390 cal · 15 min
Avocado Tuna Melt
Recipe GLPR00310d3284c274
A hearty open-faced sandwich featuring seasoned tuna salad layered with fresh avocado and tomato, topped with melted cheese. The whole grain bread is lightly toasted and the assembled sandwich is broiled until the cheese bubbles and browns beautifully, creating a warm, satisfying meal packed with protein and healthy fats.
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Ingredients
4 slices whole grain bread slices
15 ounces white chunk albacore tuna in water, drained
3½ tablespoons mayonnaise
¼ teaspoon dried dill
¼ teaspoon onion flakes
¼ teaspoon garlic powder
¼ teaspoon paprika
1 ripe avocado, peeled and sliced
1 large tomato, sliced
4 slices sliced muenster cheese
Directions
Preheat the broiler to high. Lightly toast each slice of whole grain bread until golden and crispy around the edges but still pliable enough to hold toppings.
While the bread is toasting, prepare the seasoned tuna salad: combine the drained albacore tuna, mayonnaise, dried dill, onion flakes, garlic powder, and paprika in a medium bowl. Mix gently until all ingredients are incorporated and the mixture is evenly seasoned.
Arrange the toasted bread slices on a baking sheet. Divide the sliced avocado evenly among the 4 bread slices, layering the slices slightly.
Top each slice of avocado-covered bread with tomato slices, distributing them evenly.
Spoon the seasoned tuna salad over the tomato layer on each bread slice, spreading it to cover the toppings.
Place one slice of muenster cheese on top of the tuna mixture on each sandwich.
Place the baking sheet under the preheated broiler on high for 3 to 4 minutes, until the cheese is completely melted and bubbling and the entire sandwich is heated through. Remove carefully and serve hot.
Comments
This hits a real sweet spot for a weeknight. Tuna, avocado, and muenster are all stocked routinely at Harris Teeter, Food Lion, Walmart, and Kroger; nothing forces a second stop. At roughly $2 to $2.50 per serving, the cost tracks to fresh avocado and decent canned tuna, which is reasonable for a lunch or light dinner. The stated 15 minutes is honest—assembling a melt takes that long with toasting. It's forgiving enough for kids and reheats decently if you eat it cold the next day, though the cheese won't be melted again. Avocados do vary by season, so winter sourcing can get pricey, but they're a North Carolina winter staple now and available year-round locally.
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