Nue Nam Tok: Grilled Beef With Thai Seasoning

• 4 green onions
• 3 serrano chilies
• 2 lon put these in a ceramic bowl (inches)
• 400 gr flank steak
• 60 ml vinegar (white)
• 60 ml lime juice
• 55 gr onion (red)
• 30 ml fish sauce
• 16 ml lime juice
• 16 gr rice (ground toasted)