Light Tacos | Food Stuff

Ingredients

• 1 avocado, peeled, pitted, and thinly sliced
• 1 cup light-colored beer, preferably lager
• 1 head butter lettuce, leaves separated
• 2 1/4 pound flank steak
• 2 teaspoons chopped fresh cilantro
• 4 cloves garlic, halved and smashed, divided
• 1 green onion, thinly sliced
• 1 large lime, juiced
• 1/3 cup low-sodium soy sauce
• 1/2 onion, peeled and thinly sliced, divided
• 1 orange, unpeeled and thinly sliced, divided
• Salt
• freshly ground black pepper
• 1/2 serrano chile, seeded and minced