Use a veggie peeler to remove the sweet potato skin, and cut to remove the pointy ends of each potato. Spiralize using a spiralizer into noodles, and cut the noodles using kitchen scissors to make smaller strands.
In a large pan over medium heat, add the vegetable/avocado oil. Once shimmering, add the garlic and ginger, and saute until fragrant, about 2 minutes.
Add the sweet potato noodles, green beans, water, soy sauce, rice vinegar, brown sugar, and red pepper flakes. Toss to coat the noodles in sauce, and bring to a simmer. Continue to simmer for 8-10 minutes, until the veggies have softened to your liking.
Remove from heat and add the peanut butter, toss until it blends into the sauce. Stir in the green onions and cilantro.
Top noodles with additional green onions, cilantro, and peanuts. Enjoy!