1 teaspoon olive oil
1 pound (450 grams) extra lean ground beef (95% lean)
1 medium (120 grams) red bell pepper, cut into thin strips
2 tablespoons low-sodium soy sauce (certified gluten-free if necessary)
1 tablespoon fresh lime juice
1 tablespoon light brown sugar
2 –3 teaspoons chili-garlic sauce or Sriracha (certified gluten-free if necessary)
2 medium (120 grams) carrots, shredded or julienned
2 (25 grams) green onions, light green and white parts, sliced
1/4 cup fresh cilantro
2 tablespoons chopped fresh mint
8 large (120 grams) iceberg or butter lettuce leaves (see note)