Delicious Vegan Shepherd's Pie with Sweet Potato

Ingredients

• 2 tablespoons olive oil
• 1 large onion, diced
• 3 cloves garlic, minced
• 2 carrots, diced
• 2 celery stalks, diced
• 1 cup mushrooms, chopped
• 1 cup green peas, frozen or fresh
• 1 cup corn kernels, frozen or fresh
• 1 cup cooked lentils
• 2 tablespoons tomato paste
• 1 tablespoon soy sauce
• 1 teaspoon dried thyme
• 1 teaspoon dried rosemary
• 1 teaspoon smoked paprika
• Salt and black pepper to taste
• 4 large sweet potatoes, peeled and chopped
• 1/4 cup unsweetened almond milk
• 2 tablespoons vegan butter
• 1/2 teaspoon garlic powder
• Fresh parsley for garnish