INGREDIENTS
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1 pound ground beef
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1 (26-ounce) jar spaghetti sauce
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1 teaspoon salt, divided
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12 ounces spaghetti
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1 (15-ounce) container ricotta cheese
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1 cup sour cream
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1 1/2 teaspoons Italian seasoning
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1 teaspoon garlic powder
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1/4 cup grated Parmesan cheese