"A cheesy pasta casserole made with a cream soup and sour cream base and rotini pasta...."
INGREDIENTS
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1/2-pound uncooked rotini pasta (about 3 cups)
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2 teaspoons olive oil
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1/2 cup minced onion
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1/3 cup chopped red bell pepper
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1 (10.5 ounce) can original Great for Cooking cream of mushroom soup
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1/2 cup sour cream
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2-1/2 cups shredded cheese, divided