Baked Mushroom Tetrazzini

Ingredients (21)

• 12 ounces spaghetti, cooked and drained
• 2 tablespoons butter
• 2 tablespoons olive oil
• 1 1/2 pounds cremini mushrooms, sliced
• 1 small white onion, chopped
• 4 cloves garlic, minced
• 1/2 teaspoon kosher salt
• 1/4 teaspoon black pepper
• 1/2 cup white wine
• White Sauce:
• 1/4 cup butter
• 1/4 cup all-purpose flour
• 3 cups whole milk
• 1 cup heavy cream
• 1 cup vegetable broth
• 1 teaspoon dried thyme
• Other Ingredients:
• 1 cup frozen sweet peas (optional)
• 1/2 cup grated Parmesan Cheese
• 1/2 cup bread crumbs
• 2 tablespoons chopped fresh parsley