Stuffed Jalapeno Poppers with Tuna Salad and Corn
Tuna jalapeno poppers blend creamy, tangy seafood filling with charred heat from fresh chiles. This Mexican-inspired appetizer features blanched jalapenos stuffed with a bright mixture of canned tuna, mayo, diced tomato, corn, and fresh parsley, then served alongside rice. The combination delivers contrast: cool, rich filling against mild chile heat. Make this for casual weeknight meals, potlucks, or as a light starter when you need something quick and satisfying. Unlike deeper-fried versions, these are blanched then stuffed, creating a tender chile with vibrant color and gentle bite. Corn adds sweetness, parsley brings freshness, and the mayo-based filling provides richness without heaviness. It's perfect served warm or room temperature, pairs beautifully with Mexican red rice, and comes together in under 30 minutes.
Ingredients
- 12 jalapeno chiles, whole
- water, hot
- ¼ cups white vinegar
- 2 cups canned tuna, drained
- 1 cup mayonnaise
- ½ cups tomato, cut into small cubes
- ½ cups onion, finely chopped
- ½ cups yellow corn kernelsroasted corn kernels1:1vegetableupgrade
deeper flavor and slight char
- ¼ cups parsley, finely chopped
- salt, to taste(optional)
- pepper, to taste(optional)
- Mexican red rice, for serving
Instructions
- 1
Slice jalapenos open lengthwise, trim, and remove seeds.
- 2
Bring a saucepan of hot water to a boil with white vinegar.
- 3
Add jalapenos and cook for 15 minutes.
- 4
Strain jalapenos and set aside to cool.
- 5
Combine canned tuna, mayonnaise, diced tomato, chopped onion, corn kernels, and chopped parsley in a bowl.
- 6
Season the tuna mixture with salt and pepper to taste.
- 7
Fill each jalapeno with the tuna mixture.
- 8
Serve stuffed jalapenos on a plate, garnished with parsley and accompanied by Mexican red rice.
Tips
Blanching jalapenos in vinegar water mellows their heat while preserving their vegetal flavor. The 15-minute cook time is crucial—shorter and chiles stay too firm, longer and they become mushy. Drain thoroughly before stuffing to prevent soggy filling.
Mix your tuna filling at least 10 minutes before stuffing to let flavors meld. Chilled filling is easier to handle and holds its shape better inside the mild chiles. Taste and adjust salt and pepper after adding tuna, which often contains salt.
For easier handling, place cooled jalapenos on paper towels to dry completely before stuffing. Use a small spoon or piping bag to fill chiles evenly without tearing. Serve within 2 hours at room temperature or refrigerate and consume within 24 hours.
Good to Know
Refrigerate in an airtight container for up to 24 hours. Do not freeze; mayo-based filling separates upon thawing.
Prepare tuna filling up to 8 hours ahead. Blanch and seed jalapenos up to 12 hours prior. Stuff no more than 2 hours before serving to maintain texture.
Serve at room temperature or lightly chilled on a bed of Mexican red rice. Garnish with fresh parsley sprigs and lime wedges. Pairs with Mexican beer, agua fresca, or a crisp white wine.
Common Mistakes
Overcook jalapenos to avoid mushy chiles that fall apart when stuffed.
Skip drying the blanched chiles to prevent a watery, separated filling.
Don't taste the tuna mixture before stuffing to avoid underseasoned poppers.
Substitutions
Dairy-Free Swaps
General Alternatives
deeper flavor and slight char
different texture and seafood profile
Full guide →FAQ
Can I make this with fresh jalapenos instead of blanching them?
Yes, but adjust your heat tolerance. Raw jalapenos are significantly hotter and have a crispier texture. Blanching mellows heat while softening chiles for easier stuffing. If using raw, reduce quantity or char them lightly over flame first.
What if I don't have canned tuna on hand?
Use fresh cooked flaked tuna, cooked shrimp, or crab meat in equal amounts. You can also substitute with chopped rotisserie chicken mixed with a bit of mayo for a milder flavor. Adjust seasonings to match your protein choice.
How long do these keep in the refrigerator?
Consume within 24 hours for best safety and texture. Mayo-based fillings are perishable, especially with fresh tuna. Keep in an airtight container. Do not freeze; the mayo-heavy filling will separate and become grainy upon thawing.