"This is a delicious family-friendly main dish for any day of the week. Serve this macaroni and beef casserole with a fresh tossed salad for a full and hearty meal...."
INGREDIENTS
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8 ounces elbow macaroni or small shells, cooked, drained
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2 tablespoons olive oil
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1 cup chopped onion
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3 ribs celery, chopped
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1 green bell pepper, chopped
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1/2 red bell pepper, chopped
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3 medium cloves garlic, minced
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1 pound extra-lean ground beef
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2 teaspoons Cajun seasoning
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2 cans (14.5 ounces each) tomatoes, undrained, diced
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2 tablespoons tomato paste
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1/2 teaspoon salt, or to taste
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1/8 teaspoon black pepper, or to taste
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2 1/2 cups shredded Cheddar cheese, divided