The ultimate comfort food with a hot buffalo twist! Sure to be a crowd favorite!
Preheat oven to 375. Butter a 9x13 baking dish.
In a large pot of boiling, salted water, cook pasta according to package instructions. Drain and set aside.
Melt 3 tablespoons of butter in a large pot. Add flour and cook, stirring, for 1 minute. Slowly add milk to flour mixture, while whisking constantly. Continue whisking until mixture thickens, about 5 minutes.
Remove pot from heat and stir in cheeses until fully melted. Stir in ranch dressing and buffalo sauce and season with pepper (and salt, if desired). Fold in pasta, cheese curds, and bacon. Transfer mixture to prepared baking dish.
Toss panko crumbs with melted butter and sprinkle on top. Bake until bubbly and golden, 25 to 30 minutes.
Sprinkle with chives and hot sauce before serving.