4 Ingredient Crockpot Soup Recipes Vegetarian and Delicious

Updated On: October 4, 2025

When it comes to cozy, comforting meals, few things beat a warm bowl of soup. But what if you could enjoy a delicious, hearty vegetarian soup without spending hours chopping and prepping?

Enter the world of 4 ingredient crockpot soup recipes! These simple yet flavorful soups require minimal effort but deliver maximum taste.

Perfect for busy weeknights, lazy weekends, or anytime you want a fuss-free meal that nourishes both body and soul.

Whether you’re a seasoned vegetarian or just looking to add more plant-based meals to your diet, these crockpot soup recipes are incredibly versatile. Using just four key ingredients, you’ll create rich, satisfying soups that are easy to customize and perfect for meal prepping.

Plus, with the slow cooker doing the heavy lifting, you can set it and forget it, leaving you more time to relax and enjoy.

Why You’ll Love This Recipe

These 4 ingredient crockpot vegetarian soups are a game-changer for several reasons. First, their simplicity means you don’t need to be a kitchen wizard to whip them up.

The minimal ingredient list keeps your grocery runs short and sweet, while the slow cooker ensures every flavor has time to meld perfectly.

Additionally, these soups are incredibly adaptable. You can easily swap ingredients based on what you have on hand or what’s in season.

They’re naturally wholesome and packed with nutrients, making them an excellent choice for anyone looking to eat clean without sacrificing flavor. And best of all, they’re budget-friendly and perfect for feeding a crowd or meal prepping for the week.

Ingredients

  • 1 can of diced tomatoes (14 oz) – provides a rich base for most soups
  • 2 cups vegetable broth – adds depth and moisture
  • 1 can of beans (e.g., black beans, cannellini, or chickpeas) – protein-packed and filling
  • 2 cups chopped vegetables (such as carrots, zucchini, or bell peppers) – fresh and nutritious

Equipment

  • Crockpot or slow cooker – essential for slow simmering and tender results
  • Cutting board and knife – for chopping fresh veggies
  • Measuring cups – to get your liquids just right
  • Wooden spoon or ladle – for stirring and serving

Instructions

  1. Prepare your ingredients: Rinse and drain the canned beans. Chop your fresh vegetables into bite-sized pieces.
  2. Combine in the crockpot: Add the diced tomatoes (with juices), vegetable broth, canned beans, and chopped vegetables into the slow cooker.
  3. Stir to mix: Use a wooden spoon to stir all the ingredients gently, ensuring they are evenly distributed.
  4. Cook on low: Set your crockpot to low and cook for 6-8 hours, or on high for 3-4 hours, until vegetables are tender and flavors meld.
  5. Season to taste: About 15 minutes before serving, season with salt, pepper, or your favorite herbs and spices. Stir well.
  6. Serve and enjoy: Ladle the soup into bowls and garnish if desired. This soup is perfect with a slice of crusty bread or a side salad.

Tips & Variations

“Don’t hesitate to mix and match your favorite vegetables or beans to keep this recipe fresh and exciting every time.”

  • Spice it up: Add a diced jalapeño or a pinch of chili flakes for a little heat.
  • Herb boost: Fresh herbs like basil, thyme, or cilantro added at the end brighten the flavors.
  • Make it creamy: Stir in some coconut milk or cashew cream just before serving for a luscious texture.
  • Grain addition: Add ½ cup of quinoa or brown rice in the beginning for a heartier soup.
  • Use frozen veggies: Frozen mixed vegetables work great if you’re short on fresh produce.
  • Try different beans: Lentils or split peas can also be great substitutes for canned beans.

Nutrition Facts

Nutrient Amount (per serving)
Calories 180-220 kcal
Protein 8-10 g
Fat 1-3 g
Carbohydrates 35-40 g
Fiber 8-10 g
Sodium 400-600 mg (varies with broth)

Serving Suggestions

This vegetarian crockpot soup pairs wonderfully with fresh, crusty bread or a warm dinner roll for dipping. For a light and refreshing contrast, try serving it alongside a crisp green salad with a tangy vinaigrette.

You can also add a dollop of plain Greek yogurt or a sprinkle of shredded cheese if you want some extra creaminess.

For those looking for a heartier meal, consider serving this soup over cooked grains like quinoa or brown rice. And if you’re in the mood for a complete plant-based feast, pair it with our Bread And Gravy Recipe or try our delicious Blackstone Lo Mein Recipes for more vegetarian inspiration.

Conclusion

These 4 ingredient crockpot vegetarian soup recipes are the perfect answer to busy days and simple cravings. With just a handful of wholesome ingredients and a slow cooker, you can create nourishing, comforting meals that satisfy every time.

Their flexibility allows you to tailor them to your taste buds and pantry contents, making them a staple you’ll reach for again and again.

Whether you’re new to vegetarian cooking or a seasoned pro looking for quick meal ideas, these soups are sure to become a favorite. For more easy and delicious recipes, be sure to check out our Breakfast Wellington Recipe or indulge in the flavors of our Boots And Sonny’S Chili Recipe.

Happy cooking and happy eating!

📖 Recipe Card: 4 Ingredient Vegetarian Crockpot Soup

Description: A simple, hearty vegetarian soup made with just four ingredients. Perfect for an easy, healthy meal with minimal prep.

Prep Time: PT10M
Cook Time: PT6H
Total Time: PT6H10M

Servings: 6 servings

Ingredients

  • 4 cups vegetable broth
  • 2 cups diced tomatoes (canned)
  • 2 cups chopped carrots
  • 1 cup dried lentils, rinsed

Instructions

  1. Add all ingredients to the crockpot.
  2. Stir to combine.
  3. Cook on low for 6 hours until lentils and carrots are tender.
  4. Stir before serving.

Nutrition: Calories: 180 | Protein: 12g | Fat: 0.5g | Carbs: 32g

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Photo of author

Marta K

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