INGREDIENTS
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3/4 lb. ziti pasta
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1 tbsp. olive oil
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1 medium onion, chopped
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2 garlic cloves, minced
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pinch red pepper flakes
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1 lb. ground beef
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2 tbsp. tomato paste
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1 tsp. dried oregano
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1 28 oz. can crushed tomatoes
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1 1/2 c. fresh ricotta
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2 tbsp. thinly sliced basil, plus more for serving
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1/2 c. grated Parmesan
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2 c. shredded mozzarella