Rich Seafood Sauce

Featured in Seafood.

This garlic butter sauce is bomb! Whips up in 15 minutes with bold flavors and a hint of spice. Super versatile for dipping or seafood boils. Made some to stash in the freezer. Everyone scooped it up with bread!
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Updated on Thu, 17 Apr 2025 16:11:37 GMT
A shrimp being lifted from a rich, spicy garlic butter sauce with more shrimp and herbs in the background. Pin it
A shrimp being lifted from a rich, spicy garlic butter sauce with more shrimp and herbs in the background. | tasteofmoms.com

I whipped up this sauce after binging seafood boil videos during quarantine. My initial attempt was just tossing random ingredients together - butter, garlic, and whatever seasonings caught my eye. The aroma was so incredible that neighbors kept showing up unannounced to check out what I was cooking. It's now our go-to for seafood gatherings. Even my fussy teenager who hates seafood can't stop dipping everything in this!

Why This Sauce Stands Out

  • Totally simple with no cooking expertise required
  • Works with items you've likely got on hand
  • Creates an irresistible aroma throughout your home
  • Works great for dipping or pouring
  • Prep it beforehand to cut down cooking time
  • Stores in freezer wonderfully for quick meals
  • Guests always want to know how to make it

Shopping List Items

  • Must-Haves:
    • Real butter in abundance, skip the margarine
    • Finely diced yellow onion
    • Complete garlic head, trust me on the amount
    • Old Bay and Cajun seasoning mix
    • Small amount of brown sugar
    • Chicken stock container
    • A few lemons to squeeze
  • Good Additions:
    • More butter because you'll need it
    • Additional seasonings as they go quickly
    • Fresh parsley for presentation

Creating Kitchen Wonder

Begin with Butter
Get that butter melting in your largest pan. You'll want the biggest one you own as this mixture expands a lot. Keep the heat at medium or you'll end up with burnt butter - I found that out the tough way!
Building Taste
Add your finely chopped onions until they're tender and caramelized. Then pop in the garlic and watch your kitchen fill with amazing smells. This is usually when family members start wandering in.
Add Your Spices
Stir in all your seasonings to let them bloom in the butter. This is when things really get going and your kitchen smells better than any restaurant. Don't forget the brown sugar to tie everything together.
Create Your Base
Add chicken stock and bring everything to a gentle boil, then lower heat and let it reduce. The mixture will start to thicken and look shiny and rich. Give it a stir occasionally.
Finish It Off
Add fresh lemon juice at the very end to brighten all the flavors. Toss in some parsley if you want it to look impressive.

Customize The Flavor

Want more heat? Toss in extra red pepper or a dash of hot sauce. Too fiery? Go lighter on the Cajun mix and heavier on Old Bay. Need it runnier? Just add more stock. Prefer it thicker? Let it simmer longer. I sometimes pour in a bit of cream at the end for extra richness. Everyone eventually tweaks it to their liking - that's part of the fun!

Perfect Pairings

This sauce transforms everything! Dip your crab legs, pour it over shrimp, or drizzle on lobster. Even plain corn and potatoes taste fantastic with it. Don't forget plenty of bread to soak up every drop - according to my kids, that's absolutely the highlight!

Storage Tips

This stuff will last about a week in your fridge though it never sticks around that long at our place! You can also freeze it - I pour it into ice cube trays then pop cubes out whenever I need a quick flavor boost. Warm it slowly when you use it or the butter might split. It's fantastic to make ahead for gatherings and saves tons of time later.

A wooden spoon holds shrimp in a flavorful broth, surrounded by various shellfish and garnished with lemon and herbs. Pin it
A wooden spoon holds shrimp in a flavorful broth, surrounded by various shellfish and garnished with lemon and herbs. | tasteofmoms.com

Frequently Asked Questions

→ How spicy is it?
It’s mild with a flavorful kick. Bump up the heat by dropping in extra red pepper flakes or a splash of hot sauce.
→ Can I prep it in advance?
Totally. Store in the fridge in a sealed container for three days. Warm it up gently when you’re ready.
→ Why chop the veggies so tiny?
It brings out more flavor, mixes better with the butter, and cooks everything evenly.
→ What if it’s too thick?
Just pour in extra chicken stock, about 1/2 cup at a time, until it's the way you want.
→ What seafood matches well?
Shrimp, crab, crawfish, lobster, mussels—pair it with any of these, or dip your favorites!

Seafood Boil Sauce

Cajun spiced butter sauce with garlic, onion, and herbs. Great for seafood boils or dipping crustaceans.

Prep Time
5 Minutes
Cook Time
20 Minutes
Total Time
25 Minutes
By: Ashley

Category: Seafood

Difficulty: Easy

Cuisine: American

Yield: 20 Servings (Makes about 2.5 cups of sauce.)

Dietary: Low-Carb, Vegetarian, Gluten-Free

Ingredients

01 2 cups salted butter.
02 1 diced onion.
03 8 minced garlic cloves.
04 1/4 cup Cajun spices.
05 2 tablespoons Old Bay.
06 1 tablespoon onion powder.
07 1 1/2 tablespoons of brown sugar.
08 1 tablespoon chili flakes.
09 1 cup of chicken broth.
10 2 tablespoons of fresh-squeezed lemon juice.
11 2 tablespoons chopped parsley.

Instructions

Step 01

Over medium heat, use a large skillet to melt the butter.

Step 02

Sauté the onion for 5 minutes. Toss in garlic and cook about 3 minutes more.

Step 03

Stir in the spices and the sugar. Let it cook for 5 minutes.

Step 04

Add the chicken broth, let it boil, then turn it down to a simmer for 6-8 minutes until it thickens.

Step 05

Take it off the heat and mix in the parsley and lemon juice.

Notes

  1. Feel free to tweak the spice level however you'd like.
  2. Chop onions and garlic extra small for the best texture.
  3. Double-check if your Cajun mix has salt before adding more.

Tools You'll Need

  • Big skillet.

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy.

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 182
  • Total Fat: 19 g
  • Total Carbohydrate: 4 g
  • Protein: 1 g