To prepare a vegetarian udon noodles with peanut sauce recipe, first you need to prepare the noodles. First, you'll need the following ingredients: 14 cup (60 ml) peanut butter 1 tablespoon (2.5 g) brown sugar 2 tablespoons peanut oil 1 tbsp. ground cumin 1 teaspoon ground coriander 2 teaspoons ground nutmeg Instructions: Preheat the oven to 375 ?F (191 oC) and prepare your oven rack. Line the bottom of an 8-by-8-inch (230 x 230 cm) baking dish with foil and set aside. Heat the oil in the skillet over medium-high heat. Add the tofu and cook until golden brown, about 3 minutes. Remove the pan from the heat and add the drained noodles and stir to combine. Cook for an additional 3 to 4 minutes, or until noodles are al dente. Drain and serve.