Instant Pot Lentil and Sweet Potato Stew for Fiber-Rich Meal Prep
Hearty, plant-forward Instant Pot stew loaded with fiber from brown lentils and sweet potatoes — perfect for quick meal prep. This one-pot, vegan-friendly recipe pressure-cooks to a thick, flavorful stew that reheats well for lunches and dinners all week.
Instant Pot Lentil and Sweet Potato Stew for Fiber-Rich Meal Prep
This Instant Pot Lentil and Sweet Potato Stew is built around two reliable ideas: texture contrast and hands-off depth. Sweet potatoes soften into creamy pockets while brown or green lentils keep their shape and add a pleasantly toothsome bite, so each spoonful balances starch, body and a savory broth punctuated by smoked paprika and cumin. Browning the aromatics and briefly toasting the spices in the pot before adding liquid gives the stew a roasted, rounded flavor that pressure cooking alone can’t create.
It’s a pragmatic recipe for people who want fiber-forward, plant-based lunches that won’t feel repetitive. The formula — sauté, deglaze, pressure-cook, finish with greens and lemon — is forgiving, which makes it ideal for batch-cooking: the stew thickens overnight in the fridge, brightens with acid the next day, and reheats without falling apart. Small adjustments (a mash of sweet potato for creaminess, an extra pinch of smoked paprika for depth) let you tailor it to weeknight appetite or a sturdier weekend bowl.
Plan your timing
Ingredients
Instructions
Prep the ingredients
For this step
- 1 tbspExtra-virgin olive oil
- 1.5 cupBrown or green lentils, rinsed
- 1 tbspolive oil
- 1 mediumyellow onion, diced
- 2 mediumSweet potato, peeled and diced
- 1 mediumYellow onion, finely chopped
- 1 largeYellow onion, finely chopped
- 4 cloveGarlic, minced
- 3 clovegarlic, minced
- 3 cloveGarlic, minced
- 2 tspspice blend (ground cumin and smoked paprika) with salt & pepper
- 2 mediumCarrots, diced
Sauté aromatics
For this step
- 2 mediumCarrots, peeled and diced
- 2 mediumSweet potatoes, peeled and cut into 1-inch cubes
- 1.5 cupbrown or green lentils, rinsed
- 2 mediumsweet potato, peeled and cut into 1/2-inch cubes
- 1 14.5 oz candiced tomatoes (14.5 oz can)
- 4 cuplow-sodium vegetable broth
- 1 tbspOlive oil
Add lentils, sweet potato and liquids
For this step
- 1.5 cupBrown lentils, rinsed
- 1 can (14 oz)Canned diced tomatoes
- 1 can (15 oz)Canned diced tomatoes (with juices)
- 3 cupLow-sodium vegetable broth
- 4 cupLow-sodium vegetable broth
- 1 tablespoonSpice mix: ground cumin, smoked paprika, turmeric, salt and black pepper (combined)
- 2 tspSpice blend (ground cumin, smoked paprika, salt & black pepper)
Pressure cook
For this step
- 4 cupbaby spinach
- 1 lemonlemon (juice of 1)
Finish with greens and adjust seasoning
For this step
- 4 cupBaby spinach (packed)
- 6 cup (packed)Baby spinach (packed)
Portion and store for meal prep
Tips from the kitchen
Bloom spices early
Add the spice mix to the hot oil with the garlic for 30–60 seconds to release essential oils and deepen the stew’s flavor before you add liquids.
Deglaze the pot
After sautéing, pour a splash of broth and scrape the bottom to lift browned bits so they don’t trigger a burn notice and to intensify the base.
Lentil choice matters
Use brown or green lentils — they hold their shape under pressure; red lentils will break down into a puree-like texture.
Uniform dice for even cooking
Cut sweet potatoes into roughly 1-inch cubes so they cook through at the same rate as the lentils and avoid mushy pieces.
Finish with acid and greens
Stir in spinach and lemon juice off the heat to preserve color and brightness and to sharpen the overall flavor profile.
Variations & substitutions
Hearty French lentils
Swap brown/green lentils for Puy (French) lentils and increase pressure time by 1–2 minutes for a firmer, peppery bite that stands up to robust toppings.
Smoky chipotle twist
Add one minced canned chipotle in adobo with the spices for a smoky, spicy kick; reduce smoked paprika slightly to avoid competing smokiness.
Make it stewier
For a creamier texture, mash a cup of the cooked sweet potato directly in the pot or stir in 1/3 cup coconut milk after pressure cooking.
Add bulk with grains
Stir in cooked farro, brown rice or bulgur at serving to stretch portions and add chew; don’t pressure-cook them with the lentils unless adjusting liquid and times.
Storage & make-ahead
Cool the stew to room temperature before sealing it in airtight containers to avoid condensation and sogginess. Refrigerate up to 5 days or freeze in portioned containers for up to 3 months; thaw in the fridge overnight before reheating. Reheat gently on the stove or in the microwave, adding a splash of broth or water to loosen the texture and reviving brightness with a fresh squeeze of lemon.
What to serve with it
Serve bowls over a bed of fluffy brown rice, quinoa or spooned into a warm pita for contrasting textures. Top with toasted pumpkin seeds or chopped herbs (cilantro or parsley) and a dollop of plain yogurt or tahini for creaminess. Pair with a crisp green salad or a lemony cucumber slaw and a citrus-forward white wine or herbaceous iced tea.
Frequently asked questions
Can I use red lentils instead?
Yes, but red lentils will disintegrate and create a thicker, porridge-like stew rather than distinct beans; reduce pressure time by several minutes and expect a smoother texture.
What causes an Instant Pot burn notice and how do I prevent it?
Burn notices happen when food sticks to the bottom; prevent it by properly deglazing with broth after sautéing and making sure no browned bits remain before sealing the lid.
Can I double the recipe in my Instant Pot?
You can increase quantities but avoid filling the pot above the max fill line for pressure cooking; if doubling, pick a larger model or cook in two batches to ensure safe, even cooking.
How do I thicken the stew if it’s too thin?
Simmer uncovered on Sauté to reduce liquid, or mash a cup of the cooked sweet potato into the stew to naturally thicken and add creaminess.
Can I add greens other than spinach?
Yes — sturdy greens like kale or Swiss chard work well but add them a few minutes earlier and remove tough stems; baby spinach is best for wilting quickly at the end.
About the author
JakeHello, I'm Jake. I started this recipe site with the idea that I hated recipe websites that overwhelm you with long stories and ads just to see plain content that's not helpful. My goal is to provide you with quality recipes, simple ideas and a fun cooking experience. There's lots of fun things to cook, and I think as you browse the site you'll find that TopShelf.Recipes is the place for quality recipes on the web.
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Ingredients
- Extra-virgin olive oil1 tbsp
- Brown or green lentils, rinsed1.5 cup
- olive oil1 tbsp
- yellow onion, diced1 medium
- Sweet potato, peeled and diced2 medium
- Yellow onion, finely chopped1 medium
- Yellow onion, finely chopped1 large
- Garlic, minced4 clove
- garlic, minced3 clove
- Garlic, minced3 clove
- spice blend (ground cumin and smoked paprika) with salt & pepper2 tsp
- Carrots, diced2 medium
- Carrots, peeled and diced2 medium
- Sweet potatoes, peeled and cut into 1-inch cubes2 medium
- brown or green lentils, rinsed1.5 cup
- sweet potato, peeled and cut into 1/2-inch cubes2 medium
- diced tomatoes (14.5 oz can)1 14.5 oz can
- low-sodium vegetable broth4 cup
- Olive oil1 tbsp
- Brown lentils, rinsed1.5 cup
- Canned diced tomatoes1 can (14 oz)
- Canned diced tomatoes (with juices)1 can (15 oz)
- Low-sodium vegetable broth3 cup
- Low-sodium vegetable broth4 cup
- Spice mix: ground cumin, smoked paprika, turmeric, salt and black pepper (combined)1 tablespoon
- Spice blend (ground cumin, smoked paprika, salt & black pepper)2 tsp
- baby spinach4 cup
- lemon (juice of 1)1 lemon
- Baby spinach (packed)4 cup
- Baby spinach (packed)6 cup (packed)
Nutrition Facts
Per serving: about 4 cups
Nutrition values are estimated from USDA ingredient data and may vary based on preparation, brands, and portion sizes. Values are provided for informational purposes only.
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