INGREDIENTS
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3/4 pound thin spaghetti (you can use regular or whole wheat)
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1/4 pound ground round
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1 small onion, chopped, (about 1 cup)
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2 cloves garlic, minced
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8 ounces button mushrooms, finely chopped
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8 ounces baby bella/cremini mushrooms, finely chopped
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2 teaspoons olive oil
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2 pound, 13 ounces marinara sauce or 31/2 cups
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1/4 teaspoon crushed red pepper flakes
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11/4 cups part skim ricotta cheese
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2 cups shredded mozzarella cheese, divided