""This is a simple sandwich with a tangy twist!"..."
INGREDIENTS
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4 hamburger buns, split
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2 tablespoons butter
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1 (6 ounce) can tuna chunks in olive oil
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1 tablespoon lemon juice
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salt and freshly ground black pepper to taste
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1 dash chili powder
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1 cup shredded lettuce
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1 cup shredded mozzarella cheese
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4 canned pineapple rings