Chinese Lo Mein Noodles with Asparagus - The Scramble

Ingredients

• 1/4 cup reduced-sodium soy sauce (plus additional for serving, or use any variety, use wheat/gluten-free, if needed)
• 1 tsp. superfine sugar (or use granulated sugar)
• 3 cloves garlic (minced, about 1 1/2 tsp.)
• 1/2 lb. boneless, skinless chicken, steak, or extra-firm tofu,
• 16 oz. Chinese lo mein noodles or spaghetti (sold with Asian foods, use wheat/gluten-free, if needed)
• 1/4 cup peanut oil
• 1 yellow or white onion (quartered from top to bottom and cut into thin slices)
• 1 lb. asparagus (ends trimmed and cut into thirds)