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["Lightly grease a 9x13"" casserole dish, and preheat the oven to 350.", "In a large pot of salted boiling water, cook the pasta until just tender, 6-7 minutes. Drain and set aside.", "In a medium pot, bring the milk and cream to a simmer. Add the garlic, chiles, and green onions. Simmer gently for 2-4 minutes. Cover the pot and let sit for 5-10 minutes.", "Puree the mixture until smooth, and season with salt and pepper. Set aside.", "In a large pot, melt the butter over medium heat. Add the onion and sweat until translucent. Add the garlic and cook until fragrant, about 1 minute more.", "Add the flour and cook, stirring constantly, until the mixture is lightly golden, 1-2 minutes.", "Add the milk/cream mixture and continue to cook, stirring constantly, until it comes to a boil and thickens. Stir in the cheeses (remember to save some to sprinkle on top!) until they're nice and melted.", "Add the pasta, peppers, and corn and toss well to fully coat in the sauce.", "Pour the pasta into the casserole dish, and top with the reserved cheeses. Bake in the preheated oven until the sauce is bubbly and heated through, 30-45 minutes. It can be assembled up to one day ahead and baked when ready."]
