There is a reason you see so many recipes using 'Serrano' peppers; they have the distinctive, spicy flavor required for many dishes. Try our mango-serrano pico de gallo to liven up grilled fish, or our cilantro-serrano dressing for a different twist on salad. Prolific plants will be dripping with hot peppers. 10,000-20,000 Scoville heat units (medium-hot to hot).