INGREDIENTS
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2 slices white sandwich bread
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1 1/2 pounds ground sirloin
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1 1/2 cups finely chopped button mushrooms
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1 cup shredded part-skim mozzarella
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1/3 cup finely chopped pepperoni
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1 teaspoon dried oregano
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1 teaspoon garlic powder
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3/4 teaspoon salt
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2 large eggs, lightly beaten
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2 tablespoons ketchup