Preheat the oven to 400 degrees
Add the 2 Boursin cheeses to the casserole dishes
Add the onions, garlic, butter, oregano, red pepper flakes, lemon juice, oil, salt, and pepper to the casserole dish
Bake on middle rack for 25 minutes
Mix together the cheesy casserole ingredients, add ¼ cup of pasta water and the cooked pasta
Enjoy
