Begin by cooking the sweet potato noodles in a large pot of boiling water for about 3-4 minutes until tender but still slightly firm. Drain and set aside.
In a large skillet, heat the sesame oil over medium heat. Add the sliced red bell pepper, carrots, and snap peas. Sauté for 4-5 minutes until the vegetables are just tender.
While the vegetables are cooking, prepare the peanut sauce. In a medium bowl, mix together the creamy peanut butter, soy sauce, lime juice, maple syrup, grated ginger, and garlic powder until smooth and combined. If the sauce is too thick, add a little water to achieve your desired consistency.
Add the cooked sweet potato noodles to the skillet with the sautéed vegetables, then pour the peanut sauce over the noodles. Toss everything together gently until well coated and heated through.
Remove from heat and stir in the sliced green onions and chopped cilantro, mixing well.
Serve the noodles in bowls, garnished with crushed peanuts and additional cilantro if desired.
Notes
For a gluten-free option, use tamari instead of soy sauce.