Chili Lime Butter Jumbo Shrimp Crockpot Dinner

This crockpot shrimp recipe is the definition of set-it-and-forget-it cooking. Jumbo shrimp, bell peppers, sweet onions, and celery go straight into the slow cooker, then get topped with a zesty chili lime butter.

A few hours later, you have a glossy, bubbling coastal feast that tastes like it took effort — but it didn't. The shrimp come out plump and tender, the vegetables soften into a savory-sweet base, and the butter sauce turns silky and bright.

The idea is simple: layer raw shrimp and vegetables in a slow cooker, pour over a seasoned butter sauce, and walk away. The slow, gentle heat of the crockpot poaches the shrimp perfectly, while the butter, lime, and chili meld into a rich, tangy glaze.

Bell peppers and onions soften without turning mushy, and the cilantro adds a fresh finish. This recipe is ideal for anyone who wants a seafood dinner without standing over a stove. Serve it over rice, with crusty bread, or straight from the pot — it's that good.

Ingredients

Why this recipe works

The slow cooker's low, moist heat is ideal for shrimp. Unlike high-heat searing or boiling, the gentle temperature poaches the shrimp slowly, keeping them tender and juicy rather than rubbery.

The shrimp cook in their own juices and the butter sauce, so every bite is infused with flavor. The vegetables also benefit: they soften and release their natural sweetness into the sauce, creating a cohesive, savory bed for the shrimp.

The chili lime butter is the backbone of this dish. The butter carries the chili and lime, coating every shrimp and vegetable in a glossy, flavorful layer. Lime juice adds brightness, chili adds warmth, and the butter mellows it all into a luxurious sauce. Because the slow cooker traps steam, the flavors concentrate and meld, so you get a deeply seasoned result without any extra effort.

Notes and substitutions

Use jumbo shrimp (16–20 count per pound) for the best texture. They hold up well to the slow cooking and stay plump. Peeled and deveined shrimp save prep time; if using tail-on, you can leave the tails for presentation or remove them.

For the vegetables, choose firm, fresh bell peppers and a sweet onion like Vidalia or Walla Walla. Celery adds a subtle aromatic note that rounds out the trinity.

The butter mixture is easily customizable: add a pinch of cayenne for heat, swap lime for lemon, or stir in a teaspoon of honey for sweetness. If you don't have chili powder, use smoked paprika or a blend of cumin and cayenne. For a dairy-free version, use a plant-based butter substitute. The recipe works with any slow cooker; a 6-quart oval is ideal for even cooking.

• jumbo shrimp: large shrimp, or use 2 lb of peeled and deveined tail-on shrimp
• sweet Vidalia onion: yellow onion, shallots, or leeks
• chili powder: smoked paprika, cayenne, or a pinch of red pepper flakes
• unsalted butter: salted butter (reduce added salt to 1/4 tsp)

Equipment

• 6-quart slow cooker
• Cutting board
• Chef's knife
• Measuring cups and spoons
• Small bowl for butter mixture
• Slotted spoon