MIX sauce ingredients together in a bowl. Add extra water if needed to thin the sauce to a pourable consistency. Set aside.
HEAT 1 Tbsp avocado oil in a large wok or skillet. Pat tofu dry with paper towels then add to skillet. Sprinkle with a pinch of salt and cook undisturbed for a couple minutes on each side until golden brown. Transfer to a plate.
ADD remaining 1 tablespoon avocado oil to skillet. Once hot, add garlic and fry for 30 seconds, stirring constantly.
ADD bell pepper and cabbage and cook until crisp tender, 3-5 minutes.
STIR in bean sprouts, green onions, tofu, and half the sauce. Cook for another minute, tossing well to distribute the sauce.
TURN off the heat then add in spaghetti squash, cilantro, peanuts, and remaining sauce. Toss until well combined.
GARNISH with extra lime juice, cilantro, and peanuts as desired.