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Top down view of bowl of broccoli cheddar soup with fresh broccoli and cheese shreds floating on top
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5 from 1 vote

Lazy Slow Cooker Broccoli-Cheddar Soup

Easy crockpot broccoli-cheddar soup is a creamy and delicious classic. It is the perfect soup to serve with a lighter entree such as a sandwich or a salad.
Prep Time20 mins
Cook Time8 hrs
additional cooking time after adding dairy components30 mins
Total Time8 hrs 30 mins
Course: Appetizer, Brunch, dinner, lunch, Soup
Cuisine: American
Keyword: broccoli cheddar soup, cheddar broccoli soup, Cheddar broccoli soup recipe, slow cooker cheddar broccoli soup
Servings: 4
Calories: 429kcal



  • 4 cups broccoli cut into smaller florets
  • 2 parsnips shredded or cut into match stick sized pieces
  • 1 cup onion diced
  • 4 cups vegetable broth Chicken broth would work too if you aren't concerned with keeping it vegetarian
  • ½ teaspoon garlic powder
  • ½ teaspoon mustard powder
  • 2 cups sharp cheddar cheese shredded
  • 1 cup half and half
  • salt and pepper to taste, if needed


  • spray slow cooker with non-stick cooking spray
  • cut broccoli into small florets and add to slow cooker
    4 cups broccoli
  • shred or cut parsnips into match stick sized pieces and add to slow cooker
    2 parsnips
  • chop onion and add to slow cooker
    1 cup onion
  • add spices and broth, cover and cook on low for 6-8 hours (or high for 3-4 hours)
    4 cups vegetable broth, ½ teaspoon garlic powder, ½ teaspoon mustard powder
  • after the broccoli pieces are fully soft, remove lid and use an immersion blender to blend veggies into the broth.*
  • half an hour before serving, temper half & half by mixing it with a few spoonfuls of hot soup. This will help to avoid curdling. After tempering, stir half & half into soup in your slow cooker.
    1 cup half and half
  • switch slow cooker from low to high and add cheese. stir and return cover to allow cheese to melt into liquid. This should take 15-20 minutes. Once fully melted, stir to fully combine.
  • Serve and enjoy!


*If you prefer your soup chunky, do not fully blend vegetables.  If you are a creamy soup fan, blend until fully incorporated.  


Calories: 429kcal | Carbohydrates: 31g | Protein: 19g | Fat: 27g | Saturated Fat: 15g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 6g | Cholesterol: 78mg | Sodium: 1386mg | Potassium: 766mg | Fiber: 7g | Sugar: 12g | Vitamin A: 1849IU | Vitamin C: 98mg | Calcium: 545mg | Iron: 1mg