Thai Beef Pitas

Ingredients

• 1 lb lean ground beef
• 2 red bell peppers, seeded and thinly sliced
• 2 tablespoons fresh ginger, minced
• 3 garlic cloves, minced
• 1 teaspoon red pepper flakes (or less according to your taste)
• 1/2 cup cilantro
• 3 tablespoons peanut butter
• 2 tablespoons soy sauce
• 1 tablespoon sesame oil
• 1 lime, juice of
• 2 green onions, sliced thin including green tops to garnish
• 4 pita pockets, whole
• romaine lettuce leaf