The Secret Ingredient: Crème Fraîche

INGREDIENTS

• 1 pound frozen spring peas
• 1/2 large shallot, minced
• 2 teaspoons unsalted butter
• 1/4 cup crème fraîche
• 1 tablespoon chiffonade of fresh mint leaves, plus more for garnish
• 1 pound mostaccioli or ziti 1/2 cup grated fontina
• 1 cup crème fraîche
• 1/2 cup grated zucchini (1/2 zucchini)
• 1/2 cup grated Gruyère
• 1/2 cup grated sharp white cheddar
• 1/2 grated Parmesan
• 1 teaspoon fresh thyme leaves, plus more for garnish
• Salt and pepper
• 2 cups crème fraîche
• 1/4 cup light corn syrup
• 1/2 cup sugar