Slow Cooker Chili Lime Snow Crab and Shrimp

This slow cooker seafood dish is the easiest way to get a restaurant-quality crab and shrimp dinner on the table with almost no effort. Snow crab clusters and jumbo shrimp cook gently in a bath of chili-lime butter, lemon, capers, and white wine, creating a glossy, zesty sauce that clings to every bite.

Just layer the ingredients, turn on the slow cooker, and walk away. Serve over steamed jasmine rice for a complete meal that feels special but is secretly simple.

There are slow cooker recipes that require browning, layering, and constant attention — and then there are those that truly let you dump everything in and forget it. This one falls firmly into the second camp.

You start with sweet snow crab clusters and plump jumbo shrimp, then add bright lemon slices, briny capers, a splash of white wine, and a generous pour of chili-lime butter. After a few hours on low, the seafood emerges tender, infused with the aromatic liquid, and ready to serve over rice. It's a hands-off dinner that delivers big flavor with minimal cleanup.

Ingredients

Why this recipe works

Cooking seafood in a slow cooker on LOW is a gentle method that keeps the shrimp and crab moist and tender. The low, steady heat allows the flavors of the lemon, capers, white wine, and chili-lime butter to meld together and permeate the seafood without the risk of overcooking that comes from high heat.

Because the slow cooker traps steam, the seafood essentially poaches in its own flavorful broth, resulting in a succulent texture that's hard to achieve with other methods.

The layering of ingredients matters more than it seems. Placing the crab on the bottom and the shrimp on top ensures the shrimp cook at a slightly faster rate, since they are smaller and more delicate.

The lemon slices act as a bed that keeps the seafood slightly elevated, preventing it from sticking, while the wine and butter create a steaming liquid that carries the flavor throughout. The result is a cohesive dish where every component contributes to the final, glossy sauce.

Notes and substitutions

Snow crab clusters are the star here, but you can substitute king crab legs or Dungeness crab if you prefer. Look for frozen clusters that are already thawed or thaw them overnight in the refrigerator. Jumbo shrimp (16-20 per pound) work best because they hold up well to the long cooking time. If using smaller shrimp, reduce the cooking time to 2 to 3 hours to avoid overcooking.

Chili-lime seasoning is available in the spice aisle, but you can make your own by combining chili powder, lime zest, and a pinch of salt. Meyer lemons are sweeter and less acidic than regular lemons; if using regular lemons, you may want to use one and a half instead of two. For a non-alcoholic version, replace the white wine with seafood stock or chicken broth, and add a teaspoon of lemon juice for acidity.

• snow crab clusters: king crab legs or Dungeness crab clusters (adjust cooking time as needed)
• Meyer lemons: regular lemons (use 1 1/2 lemons if they are large)
• dry white wine: seafood stock or chicken broth (add 1 tsp lemon juice for acidity)
• chili-lime seasoning: 1 tbsp chili powder + 1 tsp lime zest + 1/2 tsp salt

Equipment

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