Thai Tempeh Stuffed Sweet Potatoes

Name: Thai Tempeh Stuffed Sweet Potatoes
Cuisine: Asian, Thai
Ingredients: 4 medium sweet potatoes; 1 tablespoon avocado or olive oil; ½ large onion, finely diced; 1 garlic clove, minced; 8 ounces tempeh, crumbled; 1 teaspoon soy sauce; 1 avocado, sliced; Cilantro, for garnish; Sliced green onions, for garnish; Toasted peanuts, chopped, for garnish; Toasted sesame seeds, for garnish; Sriracha, for garnish; Peanut Sauce; ¼ cup plus 2 tablespoons creamy peanut butter; 2 tablespoons soy sauce; 1 tablespoon sesame oil; 1 tablespoon sriracha; Juice of half a lime; 2 teaspoons grated fresh ginger; 1 garlic clove, minced