Here’s a simple, comforting 3-ingredient onion and potato soup you can make in a slow cooker—minimal effort, maximum flavor:
🥣 Slow Cooker 3-Ingredient Onion & Potato Soup
🍽 Ingredients
- 2 large onions, thinly sliced
- 3–4 medium potatoes, peeled and diced
- 4 cups (1 liter) vegetable or chicken broth
Optional toppings:
- Salt & pepper to taste
- Fresh herbs (parsley, thyme)
- A sprinkle of cheese
🔥 Instructions
- Prep vegetables
- Slice onions thinly
- Dice potatoes into small cubes
- Combine in slow cooker
- Place onions, potatoes, and broth in the slow cooker
- Stir lightly
- Cook
- LOW: 6–8 hours
- HIGH: 3–4 hours
- Cook until potatoes are tender and onions are soft
- Blend (optional)
- For a creamy soup, use an immersion blender or regular blender until smooth
- Otherwise, leave it chunky for a rustic style
- Season & serve
- Add salt and pepper to taste
- Garnish with fresh herbs or a little shredded cheese if desired
💡 Tips for Extra Flavor
- Caramelize onions in a skillet before adding to the slow cooker for deeper taste
- Add a dash of garlic powder or smoked paprika
- Serve with crusty bread for a hearty meal
This recipe is perfect for easy weeknight dinners, and you can make it vegan by using vegetable broth.
If you want, I can also give you a creamy 3-ingredient slow cooker version that tastes like French onion soup—even easier and richer.
