5-Minute Keto Cheesy Broccoli Soup (Microwave Recipe)

Lunch, Stews & Soups

March 10, 2026

On those hectic days when you need a satisfying lunch without the fuss, this single-serving cheesy broccoli soup is a lifesaver. It’s incredibly rich, packed with flavor, and comes together in less than five minutes right in your microwave. This recipe is a warm, comforting hug in a bowl, perfectly designed to fit a ketogenic lifestyle without sacrificing taste. Say goodbye to sad desk lunches and hello to instant, creamy goodness!

Ingredients

• 3 Tbsp / 45 g chicken broth
• 3 Tbsp / 42 g heavy cream, 40% milkfat
• ¼ cup / 28 g sharp cheddar cheese, freshly grated from a block
• 2 tsp / 10 g coconut oil
• 1 Tbsp / 9 g cooked broccoli, finely chopped
• 1 tsp / 5 g European-style butter
• Salt and freshly ground black pepper, to taste

Instructions

1. In a microwave-safe bowl or large mug, combine the chicken broth, heavy cream, grated cheddar cheese, coconut oil, cooked broccoli, and butter.
2. Microwave on high for 30 seconds. Remove and stir well to help the cheese and oils incorporate.
3. Continue to heat in 30-second intervals, stirring between each, until the soup is completely heated through and the cheese is fully melted. This usually takes 60-90 seconds total.
4. Season with salt and pepper to your liking, give it one final stir, and enjoy immediately.

Nutritional Information

• A Note on Nutrition
• This single-serving soup is designed to be high in healthy fats and very low in carbohydrates, making it an excellent choice for a ketogenic diet. The exact will vary depending on the specific brands of you use. Always check your labels to calculate the most accurate macros for your dietary needs.

Pro Tips

• For an ultra-smooth, velvety texture, carefully use an immersion blender to puree the soup after heating.
• Use freshly grated block cheese instead of pre-shredded varieties. It melts much smoother without the added starches and anti-caking agents.
• Feel free to enhance the flavor by adding a pinch of garlic powder, onion powder, or a dash of smoked paprika before heating.
• For a heartier soup, add a tablespoon of leftover shredded chicken or crumbled bacon along with the other .

FAQ

Q: Can I use pre-shredded cheese for this keto soup
A: For the best results, we highly recommend using freshly grated block cheese. Pre-shredded varieties contain anti-caking agents that can create a gritty texture and add hidden carbs, which is not ideal for a smooth, creamy keto broccoli cheese soup.

Q: How can I make this microwave broccoli soup even creamier
A: For an ultra-smooth, velvety texture, you can carefully use an immersion blender to puree the soup after it’s fully heated. Using high-quality, full-fat heavy cream and European-style butter as the recipe suggests is also key to its rich creaminess.

Q: What can I add to this single serving broccoli soup for more flavor
A: You can easily customize this quick cheesy broccoli soup. Try adding a pinch of garlic powder, onion powder, or smoked paprika before microwaving. For a heartier low-carb meal, mix in some leftover shredded chicken or crumbled bacon.

Q: Can I use frozen broccoli in this recipe
A: Yes, you can use frozen broccoli. Just make sure it is cooked and finely chopped before adding it to the other ingredients. You may need to adjust the microwave time slightly to ensure the soup is heated through completely.

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