CHILI GARLIC OIL
1. To make the chili oil. Heat a large skillet over medium heat. Add the peanut oil, shallots, garlic, and chili flakes. Cook, stirring occasionally until the garlic is fragrant and toasted, 8-10 minutes. Remove from the heat, let cool, and carefully transfer the oil to a heat-proof bowl or glass jar.
2. To make the peanut noodles. Bring a large pot of salted water to a boil. Cook the noodles according to package directions. Drain.
3. Combine the peanut butter, soy sauce, Gochujang, sesame oil, vinegar, honey, ginger, and 1/4 cup water in a food processor or blender. Pulse until combined and smooth. Pour the sauce over the hot noodles. Add the bell peppers, basil, a large pinch of pepper, and 2 tablespoons chili oil. Toss to combine.
4. Divide the noodles among bowls and serve topped with additional chili oil and basil. Noodles are delicious warm or cold.