Slow-Cooker Tuna Noodle Casserole
Ingredients
- 1/4 cup butter cubed
- 1/2 pound sliced fresh mushrooms
- 1 medium onion chopped
- 1 medium sweet pepper chopped
- 2 small carrots chopped
- 1 cup green beans
- 1 teaspoon salt divided
- 1 teaspoon pepper divided
- 2 garlic cloves minced
- 1/4 cup all-purpose flour
- 2 cups reduced-sodium chicken broth
- 2 cups half-and-half cream
- 4 cups uncooked noodles about 6 ounces
- 3 cans 5 ounces each light tuna in water, drained
- 2 tablespoons lemon juice
- 2 cups shredded Monterey Jack cheese
- 2 cups frozen peas thawed
- 2 cups bread crumbs
- 2 cans cream of onion soup
Instructions
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In a large skillet, melt butter over medium-high heat. Add mushrooms, onion, sweet pepper, carrots, green beans, 1/2 teaspoon salt and 1/2 teaspoon pepper; cook and stir until tender, 6-8 minutes. Add garlic; cook 1 minute longer. Stir in flour until blended. Gradually whisk in broth. Bring to a boil, stirring constantly; cook and stir until thickened, 1-2 minutes.
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Transfer to a 5-qt. slow cooker. Stir in cream, soup, and noodles. Cook, covered, on low until noodles are tender, 4-5 hours. Meanwhile, in a small bowl, combine tuna, lemon juice and remaining salt and pepper.
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Remove insert from slow cooker. Stir cheese, tuna mixture and peas into noodle mixture. Let stand, uncovered, 20 minutes. Just before serving, sprinkle with bread crumbs.