Gluten-Free, Mushroom Macaroni and Cheese

Ingredients

• 1/2 pound (2 3/4 cups) dry brown rice elbow pasta
• 3 tablespoons unsalted butter
• 2 tablespoons corn starch
• 2 1/2 cups low-fat milk
• 1 1/2 cups Caramelized Herbed Mushrooms
• 2 1/4 cup grated Gruyere cheese
• 1 1/2 teaspoons salt
• Pepper to taste
• 2 tablespoons olive oil
• 1 cup gluten-free bread crumbs
• 2 teaspoons dry thyme
• 1 cup grated Swiss cheese