Senegalese Vegetable Yassa with Caramelized Onions and Mustard

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A vibrant vegetarian take on the classic Yassa, featuring caramelized onions and tangy mustard sauce over sautéed mixed vegetables. This african-inspired vegetarian (vegetarian) ready in about 60 minutes pairs large yellow onions, thinly sliced, medium green bell pepper, sliced, medium carrots, julienned for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 220 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. 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.

Prep: 15 min Cook: 45 min Serves 4 African cuisine 220 cal/serving
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Ingredients

Instructions

  1. Step 1: Heat 2 tbsp olive oil in a large skillet over medium heat. Add 3 large thinly sliced yellow onions and sauté slowly for 20 minutes, stirring occasionally, until deep golden and caramelized.
  2. Step 2: Add 3 minced garlic cloves and cook for 1 minute until fragrant. Stir in 2 tbsp Dijon mustard and 1/4 cup lemon juice, mixing well.
  3. Step 3: Add 1 medium sliced green bell pepper, 2 julienned carrots, and 1 medium diced eggplant (1-inch cubes). Sauté in 2 tbsp olive oil over medium-high heat for 8-10 minutes until the vegetables are tender but still retain some bite.
  4. Step 4: Pour in 1 cup vegetable broth, season with 1 tsp salt and 1/2 tsp black pepper. Reduce heat to medium-low, cover, and simmer for 10 minutes allowing flavors to meld and sauce to thicken slightly.
  5. Step 5: Remove from heat and sprinkle with 2 tbsp chopped fresh parsley before serving over steamed rice or couscous.

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Frequently asked questions

How long does Senegalese Vegetable Yassa with Caramelized Onions and Mustard take to make?

Total time is about 60 minutes (15 min prep + 45 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Senegalese Vegetable Yassa with Caramelized Onions and Mustard?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep medium carrots, julienned from drying out.

Can I substitute ingredients in Senegalese Vegetable Yassa with Caramelized Onions and Mustard?

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 Senegalese Vegetable Yassa with Caramelized Onions and Mustard for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). 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.

Is Senegalese Vegetable Yassa with Caramelized Onions and Mustard vegetarian?

Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.