

Place the skillet on the rack and broil until light browned and bubbling, about 5 minutes. Add the salt, pepper, onion powder, garlic powder, and dry mustard to the mixture and whisk to combine. Bring the mixture to a simmer and cook for about 3 to 5 minutes until thickened. Meanwhile, sprinkle the remaining cheese over the ingredients in the skillet. Slowly pour in the milk and cream and whisk until combined. Preheat the broiler after setting the rack 4 to 6 inches from the heat source. Mix in three-quarters of the mixed cheeses until smooth.Īdd the cooked pasta and broccoli, and stir well. Then stir in the mustard, thyme or tarragon, salt and pepper.Ĭontinue stirring until the mixture starts to bubble and the liquid thickens, 2 to 4 minutes. Whisk in the milk in a steady, thin stream until creamy. Over the 11 years we’ve been married, we’ve made several changes to the ingredients and now it’s even better than the original. Sprinkle the flour over the vegetables in the skillet. My husband made a version of this casserole for me on our first date. Stir in the mushrooms and cook until they release their liquid and brings to a simmer, and then the liquid reduces by about two-thirds, about 6 minutes. In a medium pot, melt butter over medium heat. Melt the butter in a large, high-sided, oven-safe skillet, or heat olive oil.Īdd the onion and cook, stirring often, until softened, 2 to 4 minutes. Place broccoli into boiling water and cook for 2 minutes before draining and plunging into an ice bath to stop the cooking process.

Combine together the cheddar and parmesan in a medium bowl.
