Cook the rice pasta according to package instructions. Drain and set aside.
In a large pan, sauté onion and garlic for 2-3 minutes. Add the chopped vegetables and sauté until softened but still crunchy.
In the meantime, prepare the peanut sauce by combining peanut butter, coconut milk, coconut aminos, maple syrup and lime or lemon juice in a small mixing bowl or glass jar. Mix well.
Combine the cooked rice noodles, vegetables, chili flakes and peanut sauce in the pan for 2-3 minutes.
Serve with sesame seeds and fresh coriander.