Beef San Choy Bao (Chinese Lettuce Cups )

Ingredients

• 2 lbs. Ground Beef

• ½ yellow onion, diced

• 2 cloves of garlic, minced

• 1 Tbsp. ginger, finely chopped

• 1 large carrot, diced

• 5 oz. white mushrooms, diced

• 8 oz. canned diced water chestnuts

• 15 oz. canned baby corn, chopped

• 1 ½  Tbsp. dark soy sauce

• 1 Tbsp. Chinese black vinegar

• 2 Tbsp. hoisin sauce

• 1 Tbsp. cornstarch

• 1 head of iceberg lettuce

• 2 tsp. salt (or to taste)

Optional ingredients:

• Sesame seeds to garnish