INGREDIENTS
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2 teaspoons Dijon-style mustard
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1 frozen 9-inch pie shell, thawed according to package directions
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2 cups (8 ounces) shredded mozzarella cheese, divided
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1/4 cup tiny pasta shape, like pastina or acini di pepe
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1 (28 ounce) can whole tomatoes, broken up, undrained
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1/2 teaspoon Italian seasoning
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1/8 teaspoon black pepper
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1/4 teaspoon garlic powder