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Dinner · Part 2 of 3: Instructions

Crockpot Chili Lime Lobster Tails and Shrimp Step-by-step instructions

Slow cooker chili lime lobster tails and shrimp in a glossy butter sauce with lemon slices and capers.
Prep
Cook
Total
Serves
4

Before you start

Before starting, ensure the lobster tails are thawed if previously frozen. Split the lobster tails in half lengthwise using kitchen shears, and peel and devein the shrimp if not already done. Slice the lemons and chop the cilantro.

Melt the butter in a small saucepan or microwave. Have the white wine and capers measured and ready. This recipe is designed to be assembled quickly, so having all ingredients prepped makes the process seamless.

Ingredients at a glance (10)
  • 4 split cold-water lobster tails
  • 1 lb raw jumbo shrimp, peeled and deveined
  • 2 fresh yellow Meyer lemons, sliced
  • 2 tbsp briny capers, drained
  • 1/2 cup crisp white wine
  • 1/2 cup unsalted butter, melted
  • 1 tbsp chili-lime seasoning
  • 1/4 cup fresh cilantro, chopped
  • steamed jasmine rice, for serving
  • lemon wedges, for serving

Instructions

Layer and Season

  1. Layer the Seafood and Aromatics
    Place the split lobster tails and raw jumbo shrimp in the bottom of a 6-quart slow cooker. Arrange the lemon slices over the seafood, then sprinkle with the capers. Pour the white wine over everything.
    Look for The seafood is nestled under the lemon slices and wine.
    Tip If the lobster tails are frozen, thaw them in the refrigerator overnight before using.
  2. Add the Chili-Lime Butter
    In a small bowl, stir the melted butter with the chili-lime seasoning until combined. Pour the butter mixture evenly over the seafood and lemon slices. Sprinkle the chopped cilantro on top.
    Look for The butter and seasonings coat the seafood and aromatics.
    Tip Use fresh cilantro for the best flavor; dried cilantro won't provide the same brightness.
  3. Cover and Cook on Low
    Cover the slow cooker with the lid. Cook on the low setting for 2 hours, or until the lobster tails are opaque and the shrimp are pink and firm. Do not lift the lid during cooking to keep the heat steady.
    Look for The sauce will be bubbling gently around the edges.
    Safe temperature 145°F (63°C) internal temperature (shellfish)
    Tip Resist the urge to peek; each time the lid is lifted, heat escapes and cooking time increases.

At the end of this phase, the slow cooker contains the raw lobster tails and shrimp nestled under lemon slices, capers, and white wine. The butter mixture with chili-lime seasoning and cilantro has been poured over the top. The ingredients are evenly distributed, and the sauce covers the seafood. The aromas of lemon, wine, and chili are already inviting.

Slow-Cook to Perfection

  1. Check the Seafood for Doneness
    After 2 hours, check that the lobster tails and shrimp have reached an internal temperature of 145°F (63°C). The shrimp should be pink and curled, and the lobster meat should be opaque and tender.
    Look for The seafood is cooked through and the butter sauce is glossy.
    Safe temperature 145°F (63°C) internal temperature (shellfish)
    Tip Use an instant-read thermometer to verify the temperature for food safety.
  2. Keep Warm Until Serving
    Turn the slow cooker to the warm setting if not serving immediately. The seafood can stay warm for up to 30 minutes without overcooking, but for best texture, serve soon after cooking.
    Look for The sauce stays liquid and the seafood remains moist.
    Tip If the sauce thickens too much, stir in a splash of white wine or water.

After cooking, the seafood is opaque and tender, and the sauce has transformed into a glossy, bubbling butter glaze. The shrimp are pink and curled, and the lobster meat is firm but moist.

The kitchen smells of buttery citrus and herbs. The sauce is slightly thickened and coats the back of a spoon. Check that the internal temperature reaches 145°F (63°C).

Serve and Enjoy

  1. Spoon the Seafood Over Rice
    Using a slotted spoon, lift the lobster tails and shrimp from the butter sauce. Place them over steamed jasmine rice on a serving platter or individual plates. Spoon some of the chili-lime butter sauce over the top.
    Look for The seafood is glistening with the butter sauce.
    Tip Serve the extra sauce on the side for dipping bread or drizzling over rice.
  2. Garnish and Serve
    Garnish with fresh lemon wedges and a few extra cilantro leaves if desired. Serve immediately while warm.
    Look for The dish is bright and fragrant with citrus and herbs.
    Tip The lemon wedges add a fresh squeeze of acidity right before eating.

The cooked seafood is lifted from the slow cooker and arranged over steamed jasmine rice. The chili-lime butter sauce is spooned over the top, and fresh lemon wedges are added. The dish looks vibrant and appetizing, with the glossy sauce glistening on the seafood. Serve immediately while warm, with extra sauce on the side.

Common mistakes

One common mistake is overcooking the seafood, which results in tough, rubbery lobster and shrimp. Stick to the recommended cooking time and check early. Another mistake is lifting the lid during cooking, which releases heat and extends cooking time.

Also, avoid using frozen seafood directly in the slow cooker; thaw it first to ensure even cooking. Finally, don't skip the lemon and capers — they provide essential acidity and brine that balance the rich butter.

How to tell it’s done

The seafood is done when the internal temperature reaches 145°F (63°C) on an instant-read thermometer. The lobster tails should be opaque and firm to the touch, and the shrimp should be pink and curled into a loose C shape.

The butter sauce will be bubbling gently around the edges. Avoid overcooking, as that can make the seafood rubbery. If you don't have a thermometer, cut into the thickest part of a lobster tail; the meat should be white and opaque, not translucent.

  • Shellfish: 145°F (63°C) in the thickest part

Coming up in Part 3: common questions

  • Can frozen lobster tails be used directly in the slow cooker?
  • How can the dish be kept from becoming too salty?
  • What is the best way to reheat leftovers without drying out the seafood?
  • Can the cooking time be shortened by using the high setting?
  • Is it necessary to use wine in this recipe, or can it be substituted?

Also in Part 3: variations (Spicy Garlic Twist, Butter-Free Version, Add Crab Legs, Citrus Herb Variation), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

4 variations · storage & make-ahead · 5 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)