Add this to your chicken spaghetti and you’ll never look back. Ingredients - 1/4 cup unsalted butter1 small yellow onion, chopped (about 1 cup) - 1 Tbsp. minced garlic (from 3 garlic cloves) - 2 cups unsalted chicken stock8 oz. processed cheese (such as Velveeta), cubed - 3 cups shredded cooked chicken8 oz. spaghetti, cooked according to pkg. directions - 1 (10-oz.) can diced tomatoes and green chiles (such as Ro-Tel), drained - 1 (4-oz.) can chopped green chiles - 1/4 tsp. black pepper - 1 cup shredded sharp Cheddar cheese (about 4 oz.) - Thinly sliced chives Directions 1. Melt butter in a 12-inch cast-iron skillet or ovenproof skillet over medium-high. Add onion; cook, stirring often, until tender, about 5 minutes. Add garlic; cook, stirring often, until fragrant, about 1 minute. Stir in chicken stock; bring to a boil over medium-high. Add processed cheese; cook, stirring constantly, until cheese is melted and smooth, 2 to 3 minutes. 2. Add chicken, spaghetti, diced tomatoes, green ...