Sizzlin' Spicy Szechuan Stir-Fry

Bahan-bahan (3 porsi)

• 2 tablespoons avocado oil (or other high-heat oil), divided
• 1 pound flank steak, thinly-sliced
• 1 medium white onion, peeled and thinly sliced
• 1 large red bell pepper, cored and thinly sliced
• 4 cloves garlic, peeled and thinly sliced
• 1 batch Szechuan Sauce
• optional toppings: thinly-sliced green onions, toasted sesame seeds, extra crushed red pepper flakes