Quick Cajun Scallops in Creamy Mustard Sauce Dinner

Quick Cajun Scallops in Creamy Mustard Sauce β A better-than-takeout dinner ready in just 20 minutes! After making this many times, I’ve discovered the trick to perfectly seared scallops with a creamy, tangy sauce that’s simply irresistible. Keep reading for my best tips or jump to the recipe card. If you love recipes like this, you’ll also enjoy Crispy Gluten-Free Orange Chicken Recipe for Dinner and Easy Zuppa Toscana Casserole Recipe for Comfort Dinner.

Why This Quick Cajun Scallops in Creamy Mustard Sauce Dinner Is Pure Comfort
- Better than takeout in just 20 minutes
- Creamy mustard sauce with a perfect tangy kick
- Golden, crispy scallops with a tender center
- Easy cleanup with one-pan cooking
What You'll Need for Quick Cajun Scallops in Creamy Mustard Sauce Dinner
Choosing the right ingredients makes a big difference, but this recipe is forgiving enough to work with what you have.
- Sea scallops
- Cajun seasoning
- Heavy cream
- Dijon mustard
- Garlic
- Butter
- Cajun seasoning
- Dijon mustard
- Garlic
- Salt
- Black pepper
- Optional: Fresh parsley
- Optional: Lemon wedges

π Ingredient Notes
- Sea scallops: Pat dry before cooking for better searing.
π Tools & Equipment I Recommend
- Cast iron skillet β Even heat distribution for perfect searing. β See on Amazon
- Good quality Cajun seasoning β Authentic flavor for your scallops. β See on Amazon

How to Make Quick Cajun Scallops in Creamy Mustard Sauce Dinner
- Prepare scallops: Pat scallops dry, season with Cajun seasoning, and set aside.
- Cook scallops: Melt butter in a cast iron skillet over medium-high heat. Add scallops and cook until golden, about 2-3 minutes per side.
- Make sauce: In the same skillet, add garlic and cook until fragrant. Stir in heavy cream, Dijon mustard, salt, and pepper. Simmer until the sauce thickens.
- Serve: Add scallops back to the skillet, coat in the sauce, and garnish with fresh parsley. Serve with lemon wedges.
Cook's Tips for Perfect Quick Cajun Scallops in Creamy Mustard Sauce Dinner
- : Use sea scallops for better texture and flavor.
- Common mistake and fix: Avoid overcooking scallops. They become tough and rubbery. Cook for 2-3 minutes per side, max.
- : For a spicier sauce, add a pinch of cayenne pepper.
- : Make it gluten-free by ensuring your Cajun seasoning is GF certified.
Storing & Reheating Quick Cajun Scallops in Creamy Mustard Sauce Dinner
Short-Term Storage
Store in an airtight container in the fridge. Store leftovers in an airtight container for up to 3 days. Make-ahead tip: Prepare scallops and sauce separately. Combine and cook when ready to serve.
Freezing Quick Cajun Scallops in Creamy Mustard Sauce Dinner
Freeze cooked scallops for up to 2 months. Thaw overnight before reheating.
How to Reheat Without Drying It Out
Oven: Reheat in a 350Β°F oven for 10-15 minutes. Microwave: Reheat in the microwave for 1-2 minutes, stirring halfway through.
Recipe Notes
- Chef tip: For a one-pan meal, cook pasta or rice in the same skillet before cooking scallops.
- Best substitution: Substitute scallops with shrimp or chicken for a similar dish.
- Make-ahead: Prepare scallops and sauce separately. Combine and cook when ready to serve.
- Scaling: This recipe serves 4. Double ingredients for 8 servings.
- Troubleshooting: If sauce is too thin, simmer longer or add a cornstarch slurry (1 tbsp cornstarch + 1 tbsp water).
Want to level up this recipe?
High-quality chef's knife β Makes prep work a breeze and ensures even cooking. β Check price on Amazon
Quick Cajun Scallops in Creamy Mustard Sauce Dinner

Ingredients
Main Ingredients
- Sea scallops
- Cajun seasoning
- Heavy cream
- Dijon mustard
- Garlic
- Butter
Seasonings
- Cajun seasoning
- Dijon mustard
- Garlic
- Salt
- Black pepper
Optional Toppings
- Fresh parsley
- Lemon wedges
Instructions
- Prepare scallops: Pat scallops dry, season with Cajun seasoning, and set aside.
- Cook scallops: Melt butter in a cast iron skillet over medium-high heat. Add scallops and cook until golden, about 2-3 minutes per side.
- Make sauce: In the same skillet, add garlic and cook until fragrant. Stir in heavy cream, Dijon mustard, salt, and pepper. Simmer until the sauce thickens.
- Serve: Add scallops back to the skillet, coat in the sauce, and garnish with fresh parsley. Serve with lemon wedges.
Notes
- Chef tip: For a one-pan meal, cook pasta or rice in the same skillet before cooking scallops.
- Best substitution: Substitute scallops with shrimp or chicken for a similar dish.
- Make-ahead: Prepare scallops and sauce separately. Combine and cook when ready to serve.
- Scaling: This recipe serves 4. Double ingredients for 8 servings.
- Troubleshooting: If sauce is too thin, simmer longer or add a cornstarch slurry (1 tbsp cornstarch + 1 tbsp water).
Storage
- Fridge: Store leftovers in an airtight container for up to 3 days.
- Freezer: Freeze cooked scallops for up to 2 months. Thaw overnight before reheating.
- Oven reheat: Reheat in a 350Β°F oven for 10-15 minutes.
- Microwave reheat: Reheat in the microwave for 1-2 minutes, stirring halfway through.
- Make ahead: Prepare scallops and sauce separately. Combine and cook when ready to serve.
Nutrition Per Serving
- Calories: 350
- Protein: 25g
- Fat: 20g
- Carbs: 12g
- Fiber: 0g
- Sugar: 1g
- Sodium: 600mg
- Cholesterol: 100mg
- Sat. Fat: 12g
Nutritional values are estimates only. Actual values may vary by brand and portion size.
Quick Cajun Scallops in Creamy Mustard Sauce Dinner FAQs
Yes, prepare scallops and sauce separately. Combine and cook when ready to serve.
Overcooking is the most common reason. Cook for 2-3 minutes per side, max.
Yes, freeze cooked scallops for up to 2 months. Thaw overnight before reheating.
Preheat air fryer to 400Β°F. Cook seasoned scallops for 5-7 minutes, flipping halfway through.
Rice, pasta, or a side salad complements this dish nicely.
A Warm Final Note
I can’t wait for you to try Quick Cajun Scallops in Creamy Mustard Sauce Dinner and see how effortlessly it comes together. When you make it, pop back here and leave a rating or share how it turned out β I love hearing from you!






