Garlic and Onion Slow Cooker Soup for Respiratory Comfort

By AislePrompt Editorial · Published 2026-04-25 · Updated 2026-04-25

A hearty slow cooker soup rich in garlic and onion to support respiratory health and provide warmth during cold symptoms. This Mediterranean pasta recipe, ready in about 255 minutes, pairs yellow onions, garlic cloves, and carrots for a weeknight-friendly dinner. Each serving lands at about 110 calories and feeds 6, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Build a week of meals around this recipe" 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.

Ingredients

• 3 large yellow onions, thinly sliced
• 8 garlic cloves, minced
• 3 medium carrots, diced
• 3 celery stalks, diced
• 6 cups vegetable broth
• 2 tbsp olive oil
• 1 tsp dried thyme
• 1 tsp sea salt
• 1/2 tsp ground black pepper
• 1/4 cup chopped fresh parsley

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Instructions

1. Step 1: Heat 2 tbsp olive oil in a skillet over medium heat and sauté 3 large thinly sliced yellow onions and 8 minced garlic cloves for 8 minutes until softened and fragrant.
2. Step 2: Transfer sautéed onions and garlic to a slow cooker and add 3 diced carrots, 3 diced celery stalks, 6 cups vegetable broth, 1 tsp dried thyme, 1 tsp sea salt, and 1/2 tsp ground black pepper.
3. Step 3: Cover and cook on low for 6-8 hours or on high for 3-4 hours until vegetables are tender and flavors meld.
4. Step 4: Stir in 1/4 cup chopped fresh parsley before serving to add freshness and aroma.
5. Step 5: Serve warm to help provide respiratory relief and nourishment during a cold.