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Thaw the meatballs in the microwave to just warmed.
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Put the tomato sauce, crushed tomatoes tomato paste, chopped onion, jalapeno pepper, 1/4 cup water, 8 oz of cheese, and seasonings in a 9 x 13 casserole dish and blend together.
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In the meantime, boil water and cook the noodles to al dente. Drain the noodles, add to casserole dish and blend in, making sure sauce covers all the noodles.
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Add the meatballs and gently blend in cheese. Sprinkle 4 oz of cheese on top, covering casserole dish.
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Put in oven at 350°F for 30 minutes. Check for burning of cheese (may cover with aluminum foil gently to prevent some burning or browning of cheese).
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Cooking is to warm through and through and to melt cheese. If your oven cooks hot or altitude is high, adjust time in oven.