01 - Set oven to 400°F and line a baking sheet with parchment paper.
02 - Wrap tofu block in a clean towel and place a heavy object on top for 10–15 minutes to remove excess moisture.
03 - Slice pressed tofu into 3/4-inch cubes.
04 - Toss tofu cubes with cornstarch, salt, and pepper until evenly coated. Drizzle with olive oil and toss again.
05 - Arrange tofu in a single layer on prepared baking sheet. Bake 25–30 minutes, flipping halfway, until golden and crispy.
06 - Whisk together peanut butter, soy sauce, rice vinegar, maple syrup, sesame oil, sriracha, and garlic. Add warm water one tablespoon at a time until sauce is smooth and pourable.
07 - Plate baked tofu, drizzle with spicy peanut sauce, and garnish with sliced spring onions, chopped peanuts, cilantro leaves, and lime wedges as desired.