3 cheesy penne creme fraiche Recipes

head of cauliflower, cored, cut into 1-inch florets, heirloom tomatoes, butter, divided, sliced green onions, coarse kosher salt, all purpose flour, heavy whipping cream, coarsely grated comte cheese (or half gruyere and half fontina; about 9 oz), divided, parmigiano-reggiano , finely grated parmesan cheese, divided, creme fraiche, whole grain dijon mustard, penne (3 1/2 cups), fresh breadcrumbs (from crustless french bread ground in processor)

head cauliflower, cored, cut into 1-inch florets (1 3/4 lbs can be used, as well), heirloom tomatoes, butter, divided, sliced green onion, coarse kosher salt, fresh ground black pepper (optional), crushed red pepper flakes, all-purpose flour, heavy whipping cream, grated gruyere cheese, divided (about 4 1/2 oz), coarsely grated fontina cheese, divided (about 4 1/2 oz), grated parmesan cheese, divided, creme fraiche, whole grain dijon mustard, penne (3 1/2 cups), fresh breadcrumb (from crustless french bread ground in processor)