Sweet Potato and Venison Shepherd's Pie

Ingredients (24)

• + 1 large sweet potato add to pantry
• + 2 tablespoons unsalted butter, softened add to pantry
• + 2 tablespoons milk, or more as needed add to pantry
• + ½ teaspoon salt, or to taste add to pantry
• ✓ ¼ teaspoon ground black pepper, or to taste
• + ¼ teaspoon dried sage add to pantry
• + 1 pinch freshly ground nutmeg add to pantry
• ✓ ½ cup shredded sharp Cheddar cheese
• + 2 tablespoons vegetable oil add to pantry
• ✓ 1 (8 ounce) package cremini mushrooms, sliced
• + 1 large onion, chopped add to pantry
• + 2 carrots, peeled and chopped add to pantry
• + 1 stalk celery, chopped add to pantry
• + 4 cloves garlic, chopped add to pantry
• + salt to taste add to pantry
• + 1 pound ground venison add to pantry
• + 1 teaspoon dried thyme add to pantry
• + 1 teaspoon dried oregano add to pantry
• + 1 teaspoon garlic powder add to pantry
• + 1 teaspoon onion powder add to pantry
• + 2 tablespoons all-purpose flour add to pantry
• + ⅔ cup dry white wine add to pantry
• + 1 cup low-sodium chicken broth add to pantry
• + 1 cup frozen peas add to pantry