1 lb cauliflower, cut into small florets
1/2 lb broccoli, cut into small florets
2 tomatoes
4 Tablespoons unsalted butter
1/2 cup sliced green onions
Kosher salt
2 Tablespoons gf flour
1 cup cream
1-1/2 cup Gruyere cheese, grated
1-1/2 cup Fontina cheese, grated
3/4 cup Parmesan cheese, grated
1 cup
creme fraiche1 Tablespoons Dijon mustard
10 ounces gf penne pasta