Belgian Moules-Frites with Garlic Aioli

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A classic Brussels street food dish featuring steamed mussels in white wine and crispy fries topped with a creamy garlic aioli. This belgian-inspired quick meals ready in about 45 minutes blends (live, cleaned, debearded) mussels, (pre-fried, frozen) french fries, white wine into a versatile sauce that lifts everything from grain bowls and roasted vegetables to grilled proteins — a small-batch staple worth keeping in the fridge. Each serving lands at about 650 calories and feeds 2, so a small batch covers several meals across the week without taking over the fridge. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

★ 4.2 (9 ratings) Prep: 20 min Cook: 25 min Serves 2 Belgian cuisine 650 cal/serving
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Ingredients

Instructions

  1. Step 1: Bring a large pot of water to a boil. Add 1/2 cup white wine, 2 tbsp butter, 2 cloves garlic, and 1 tsp salt. Add mussels, cover, and steam for 5-7 minutes until shells open. Remove mussels, discard any unopened, and reserve liquid.
  2. Step 2: Heat oven to 450°F (230°C). Toss 12 oz frozen fries with 1 tbsp oil and 1/2 tsp salt. Spread in a single layer on a baking sheet and bake for 15-18 minutes until golden and crispy.
  3. Step 3: In a small bowl, mix 2 tbsp mayonnaise, 1 tbsp lemon juice, 1 tbsp minced garlic, 1/2 tsp pepper, and 1/4 tsp salt. Fold in 1/4 cup reserved mussel liquid for a briny finish.
  4. Step 4: Serve mussels in a shallow bowl, top with fries, and drizzle with aioli. Garnish with chopped parsley.

Equipment for this recipe

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Frequently asked questions

How long does Belgian Moules-Frites with Garlic Aioli take to make?

Total time is about 45 minutes (20 min prep + 25 min cook). A small batch typically covers several meals in the week — store as the recipe directs.

How do I store leftover Belgian Moules-Frites with Garlic Aioli?

Transfer to an airtight jar and refrigerate for up to 5–7 days. Most sauces freeze well for up to 2 months — portion into small containers or freezer bags so you can thaw only what you need. Stir before serving; cream- or yogurt-based sauces may separate on standing.

Can I substitute ingredients in Belgian Moules-Frites with Garlic Aioli?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Belgian Moules-Frites with Garlic Aioli for a different number of people?

The recipe is written for 2 servings. Multiply each ingredient by (your serving target / 2). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Belgian Moules-Frites with Garlic Aioli?

Belgian quick meals like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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