Sauce: Mix the rice vinegar, ketchup, brown sugar, sweet Thai chili sauce, and cayenne pepper together. Set aside for later.
Add olive oil to medium heat pan. Add garlic & cook until soft & translucent about 30 seconds.
Add red bell peppers & green onions. Cook for about 2-3 minutes or until tender.
Add shrimp, cook until tender & cooked through, about 3 minutes.
Add egg. Quickly break it & stir in with everything in the pan until egg is cooked.
Add the sauce & mix.
Add the bean sprouts.
Add the zoodles.
Mix all the ingredients. Cook for a few minutes until zoodles are heated through.
Top with roasted peanuts & cilantro. Garnish with lime wedge.