Cauliflower Stir-Fry
1 tablespoon vegetable oil1 medium head cauliflower, cut into small florets (about 6 cups)1 small white onion, sliced into 1/4-inch wedges2 tablespoons reduced-sodium soy sauce2 teaspoons toasted sesame oil½ teaspoon chile-garlic sauce, plus more to taste170g fresh snow peas, trimmed...