Thai Beef Cabbage Cups

Ingredients

• 2 1/2 teaspoons dark sesame oil, divided
• 2 teaspoons minced peeled fresh ginger
• 3 garlic cloves, minced
• 1 pound ground sirloin
• 1 tablespoon sugar
• 2 tablespoons fresh lime juice
• 1 1/2 tablespoons fish sauce
• 1 tablespoon water
• 1/4 teaspoon crushed red pepper
• 1/2 cup vertically sliced red onion
• 1/2 cup chopped fresh cilantro
• 8 large green cabbage leaves
• 2 tablespoons finely chopped unsalted, dry-roasted peanuts