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Why This Recipe Works
- Set-it-and-forget-it: Ten minutes of morning prep yields dinner that waits patiently for you.
- Layered flavor: Browning the chicken and blooming the tomato paste creates a rich base the slow cooker can’t achieve alone.
- Whole-food nutrition: Butternut (or acorn) squash delivers vitamin A, while skin-on chicken adds collagen for silky body.
- One-pot cleanup: Everything cooks together—no extra skillets or baking sheets to scrub.
- Garlic three ways: Fresh minced cloves, slow-stewed whole cloves, and a finishing kiss of roasted garlic oil.
- Freezer-friendly: Doubles beautifully; freeze half for a future no-cook night.
- Customizable: Swap in sweet potatoes, kale, or white beans depending on what’s in your pantry.
Ingredients You'll Need
Great stew starts with great building blocks. Below is a quick shopping guide plus the “why” behind each pick, so you can browse the produce aisle with confidence.
Chicken
I prefer bone-in, skin-on chicken thighs for slow cooking. The bones act like miniature flavor factories, and the collagen-rich skin gives the broth that lip-smacking viscosity. If you only have boneless thighs, reduce the cooking time by 30 minutes so they don’t shred into floss. Breast meat works but can dry out; tuck it in during the last hour if you must use it.
Winter Squash
Butternut is the reliable supermarket staple—dense, sweet, and easy to peel with a Y-peeler. If you’re feeling adventurous, kabocha or red kuri squash brings an earthy chestnut note. Avoid spaghetti squash; its high water content turns the stew soupy.
Garlic
Look for heads that feel heavy and tight, with no green sprouts. We’ll use two whole bulbs: one sliced in half horizontally to perfume the broth, the other minced for sharper punch.
Aromatics & Herbs
Fresh sage is the MVP here; its piney perfume marries with squash like they were born to be together. Rosemary can overpower, so use sparingly. Thyme is a polite understudy if sage is out of season.
Liquid Gold
Low-sodium chicken stock lets you control salt as the stew reduces. I keep homemade frozen in muffin trays for perfect ¼-cup pucks. If you’re vegetarian-adjacent, a good vegetable stock works—just add a parmesan rind for umami depth.
How to Make One Pot Slow Cooker Chicken and Winter Squash Stew with Garlic
Sear the Chicken
Pat the thighs dry with paper towels; moisture is the enemy of browning. Heat 1 tablespoon olive oil in a heavy skillet over medium-high. When the oil shimmers like a summer mirage, lay the chicken skin-side down and do not—do not—move it for 4 minutes. The skin should release easily when it’s golden. Flip and brown the second side for 2 minutes. Transfer to a plate; the meat will finish cooking in the crock.
Bloom the Tomato Paste
Pour off all but 1 teaspoon of fat from the skillet (leave the browned bits—fond equals flavor). Reduce heat to medium; add the tomato paste and minced garlic. Stir constantly for 90 seconds; the paste will darken from bright scarlet to brick red, unlocking sweet, caramelized complexity.
Deglaze
Splash in ½ cup of the chicken stock while scraping the pan with a wooden spoon. The liquid will loosen the fond and create a glossy concentrate that seasons the entire stew.
Load the Slow Cooker
Nestle the seared chicken (and any juices) into the crock. Add squash cubes, halved garlic bulb, carrots, potatoes, sage, bay leaf, remaining stock, and a generous pinch of salt and pepper. The liquid should come about ¾ of the way up the solids; add more stock or water if needed.
Cook Low and Slow
Cover and cook on LOW for 6–7 hours or HIGH for 3–3½ hours. The squash should be tender enough to mash with the back of a spoon, and the chicken should slide off the bone when prodded gently.
Shred and Season
Remove chicken to a cutting board; discard skin (or feed it to the crispy-skin lovers). Shred meat with two forks, returning bones to the pot for an optional 15-minute collagen boost. Stir meat back in, taste, and adjust salt. The stew should be thick enough to coat a spoon; thin with hot stock if you prefer it brothy.
Finish with Freshness
Just before serving, stir in chopped parsley and a squeeze of lemon to lift the richness. If you’re feeling fancy, drizzle each bowl with roasted garlic oil or a spoonful of pesto.
Expert Tips
Overnight Garlic Oil
Roast a head of garlic at 400 °F for 40 minutes, squeeze out the cloves, and blend with ½ cup olive oil. Store in the fridge for up to a week; drizzle over soup, pizza, or roasted vegetables.
Frozen Squash Hack
Buy pre-cubed frozen butternut squash. Add it still frozen during the last 90 minutes to prevent it from turning to complete mush.
Speed Up Browning
Use a fish spatula to press the chicken skin firmly against the skillet; maximum contact equals faster, more even browning.
Thicken Naturally
Mash a cup of the cooked squash against the side of the crock and stir it back in for body without added cream or flour.
Safe Temperature
Chicken is done at 165 °F, but thighs stay juicy up to 195 °F. Use an instant-read thermometer inserted near (not touching) the bone.
Color = Flavor
Don’t skip browning even if you’re tempted. That golden crust equals Maillard-reaction magic you can’t fake later.
Variations to Try
- Moroccan Twist: Swap sage for 1 tsp each cumin and coriander, add a cinnamon stick, and finish with harissa and chopped preserved lemon.
- Creamy Coconut: Replace 1 cup stock with full-fat coconut milk and stir in baby spinach just before serving.
- Smoky Bacon: Start by rendering 4 oz diced bacon; use the fat to brown the chicken. The smoky depth pairs beautifully with squash.
- Vegetarian Power Bowl: Skip the chicken, double the beans, and add a diced smoked tofu brick during the last hour.
- Apple & Miso: Stir in 1 grated apple and 1 tablespoon white miso during the last 30 minutes for sweet-salty umami.
Storage Tips
Refrigerate
Cool completely, then store in airtight glass containers up to 4 days. The flavors meld and improve overnight.
Freeze
Ladle into freezer-safe pint bags, press out excess air, freeze flat up to 3 months. Thaw overnight in the fridge.
Reheat
Warm gently on the stove with a splash of stock; microwave works but can overcook the chicken.
Frequently Asked Questions
One Pot Slow Cooker Chicken and Winter Squash Stew with Garlic
Ingredients
Instructions
- Sear: Heat olive oil in skillet over medium-high. Brown chicken 4 min skin-side down, flip 2 min. Transfer to slow cooker.
- Sauté: In same skillet cook onion 3 min. Add minced garlic & tomato paste; cook 90 sec. Deglaze with ½ cup stock, scraping bits.
- Load: Add onion mixture to cooker plus squash, carrots, potatoes, halved garlic bulb, sage, bay, remaining stock, salt & pepper.
- Cook: Cover; cook LOW 6–7 hrs or HIGH 3–3½ hrs until squash is tender and chicken is 195 °F.
- Shred: Remove chicken; discard skin & bones. Shred meat, return to pot. Discard bay leaf.
- Finish: Stir in parsley and lemon juice. Taste, adjust salt. Serve hot with crusty bread.
Recipe Notes
Stew thickens as it stands; thin with stock when reheating. Freeze portions up to 3 months.
