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There’s a certain kind of magic that happens when the first real cold snap hits. The air turns crisp, the light turns golden by four o’clock, and every fiber of my being screams for something bubbling gently on the counter all day long. Last November, after dragging the last of the frost-tender herbs into the greenhouse and stacking the final butternut on the porch, I stood in my kitchen rubbing chilled hands together and wondered what on earth I could make that would taste like the season itself—earthy, robust, quietly sweet, and humming with garlic. I opened the pantry, eyed the slow cooker that had been collecting dust since summer, and this chili was born. Six hours later the house smelled like a cabin in the woods: rosemary, cumin, slow-braised beef, and squash caramelizing at the edges. One spoonful and my husband declared it “the chili equivalent of flannel sheets.” We’ve made it every other week since, doubling the batch so we can freeze portions for those impossibly busy December nights when the tree lights are up, the wind is howling, and the only thing we want to do is park ourselves on the couch with deep bowls of something that tastes like we tried harder than we actually did.
Why This Recipe Works
- Hands-off comfort: The slow cooker does the heavy lifting while you binge your favorite series or finish that work project.
- Layered flavor in minutes: Browning only half the beef leaves fond in the pot that mingles with garlic, tomato paste, and anchovy for insane depth—no 20-ingredient chili here.
- Winter squash sweetness: Cubes of butternut (or honeynut) soften into silky pockets that balance the smoky heat.
- Herb finish, not herb start: A shower of fresh rosemary, thyme, and parsley right before serving keeps the flavors bright against the long braise.
- Freezer superstar: It thickens as it stands, so reheated portions taste even richer—perfect for meal prep.
- One-pot nutrition: 32 grams of protein, vitamin-A-packed squash, and iron-rich beef in every bowl.
Ingredients You'll Need
Let’s talk beef first. You want well-marbled chuck roast—nothing too lean or the long braise will leave it stringy. I ask my butcher for a 3-pound roast and cube it myself; pieces the size of a generous thumb hold their shape but still shred slightly for that stick-to-your-ribs texture. If you’re in a rush, pre-cut “stew beef” works, but try to pick out the larger chunks.
Winter squash is the sweet counterpoint. Butternut is reliable and easy to peel, but if you spot honeynut—those miniature, extra-concentrated varieties—grab them. Their flesh is deeper orange and almost honey-like when slow-cooked. You’ll need about four cups of ¾-inch cubes; any smaller and they’ll dissolve, any larger and they won’t cook through.
Garlic shows up three ways: minced into the base, sliced thin and added halfway so some stays assertive, and whole slow-roasted cloves that melt into the sauce. Don’t be alarmed by the full two heads; long heat tames the heat and leaves mellow, caramel sweetness.
Herb-wise, fresh is non-negotiable at the finish. Dried rosemary can taste medicinal after eight hours, whereas a final sprinkle of chopped fresh needles gives piney perfume. Parsley stems go into the pot at the beginning (they’re free flavor), then the leaves are scattered on top for color.
For the tomato element, I use a combination of fire-roasted crushed tomatoes and a tiny spoon of double-concentrated tomato paste. The paste lends umami and thickens the broth; the fire-roasted bits add subtle char without extra pans.
Spice is gentle but complex: ancho chili powder for raisin-like sweetness, smoked paprika for campfire aroma, and just enough chipotle to wake you up. If you’re cooking for kids, seed the chipotle or swap in mild New Mexico chile powder.
Beans are optional in my house, but if you crave that classic chili body, add two cans of pinto beans, rinsed, in the last hour so they stay intact. Chickpeas are unexpectedly good too—creamy and nutty against the squash.
How to Make Slow Cooker Beef and Winter Squash Chili with Garlic and Herbs
Brown half the beef
Pat 1½ pounds of the chuck cubes dry with paper towels; season with 1 teaspoon kosher salt and ½ teaspoon black pepper. Heat 1 tablespoon avocado oil in a heavy skillet over medium-high. Sear beef in a single, uncrowded layer until deeply browned on two sides, about 3 minutes per side. Transfer to the slow cooker insert. (This fond equals free flavor; no need to brown the remaining beef—variety in texture is nice.)
Build the aromatic base
Lower heat to medium. In the same skillet add 1 diced large onion; cook 3 minutes until translucent. Stir in 6 minced garlic cloves, 2 tablespoons tomato paste, 1 mashed anchovy fillet (trust me), 2 teaspoons ancho powder, 1 teaspoon smoked paprika, ½ teaspoon ground cumin, and ¼ teaspoon dried oregano. Cook 2 minutes until brick red and fragrant; scrape into slow cooker.
Deglaze with beer (or broth)
Pour ½ cup dark amber beer into the hot skillet, scraping browned bits with a wooden spoon. Let it bubble down by half, about 2 minutes. (If you avoid alcohol, use low-sodium beef broth plus ½ teaspoon molasses for depth.) Tip everything into the cooker.
Add remaining ingredients
To the cooker add the remaining raw beef, 4 cups cubed winter squash, 28-ounce can fire-roasted crushed tomatoes, 2 cups low-sodium beef broth, 1 bay leaf, 2 teaspoons chopped chipotle in adobo, 1 tablespoon chopped parsley stems, and ½ teaspoon kosher salt. Give everything a gentle stir; squash should be mostly submerged.
Slow cook on LOW
Cover and cook on LOW 6½ hours. Resist lifting the lid; each peek drops the temperature up to 15 °F and adds roughly 15 minutes to total time.
Midway garlic boost
At the 4-hour mark, quickly lift the lid and scatter in 8 thinly sliced garlic cloves. They’ll poach gently, giving layered garlic notes rather than one flat punch.
Check for doneness
After 6½ hours the squash should be tender but not mush, and beef should shred with light pressure. If yours runs cool, give it another 30 minutes.
Season and smash a few squash cubes
Fish out the bay leaf. Taste; add salt or a splash of cider vinegar to brighten. Using the back of a spoon, mash about 10 % of the squash against the side of the pot; this naturally thickens the broth without flour or cornstarch.
Herb finish
Just before serving, stir in 2 tablespoons chopped fresh parsley leaves, 1 tablespoon minced rosemary, and 1 teaspoon fresh thyme. The residual heat will bloom their oils without muting them.
Serve with all the fixings
Ladle into deep bowls. Top with a dollop of sour cream, a squeeze of lime, pickled red onions, and plenty of crusty bread for swiping the bowl clean.
Expert Tips
Temperature matters
Always pre-warm the slow cooker insert with hot tap water while prepping ingredients; starting cold can add 30 minutes to cook time.
Deglaze thoroughly
Those browned bits equal concentrated beefiness; scrape until the skillet is nearly spotless before transferring liquid to the cooker.
Keep squash from disappearing
Cut uniform ¾-inch cubes and stir gently only once midway; smaller pieces or aggressive stirring creates squash soup.
Overnight flavor boost
Chili tastes even better 24 hours later; refrigerate in the insert, skim solidified fat, reheat on WARM for 1 hour, then finish with fresh herbs.
Bean timing
If adding beans, stir in during the last hour; earlier and they’ll blow out into starchy mush.
Freeze flat
Portion cooled chili into quart-size freezer bags, press flat, and stack like books; they thaw in under 30 minutes in a bowl of cold water.
Variations to Try
- Bison & Sweet Potato: Swap beef for bison and squash for orange sweet potatoes; reduce cook time by 30 minutes.
- Vegetarian Umami Bomb: Replace beef with 3 cans black beans plus 1 pound cremini mushrooms, quartered; add 1 tablespoon soy sauce and 1 teaspoon miso.
- Smoky Bacon Version: Start by rendering 4 ounces diced bacon; use the fat to brown beef and proceed as written.
- Spicy Verde: Sub crushed tomatoes with two 16-ounce jars tomatillo salsa, swap ancho for poblano, add a handful of chopped cilantro at the end.
Storage Tips
Refrigerate leftovers in airtight containers up to 4 days. For longer storage, freeze in meal-size portions for up to 3 months. Thaw overnight in the fridge or use the quick-bag method above. To reheat, warm gently on the stovetop with a splash of broth; microwave works but stir every 60 seconds to prevent hot spots. The chili will thicken considerably when cold; loosen with broth or water to desired consistency.
Frequently Asked Questions
Slow Cooker Beef and Winter Squash Chili with Garlic and Herbs
Ingredients
Instructions
- Brown half the beef: Season and sear 1½ lb beef in hot oil until crusty; transfer to slow cooker.
- Build the base: In same skillet cook onion, minced garlic, tomato paste, anchovy, and spices 2 minutes; scrape into cooker.
- Deglaze: Simmer beer in skillet, scraping browned bits; pour into cooker.
- Add remaining ingredients: Add remaining raw beef, squash, tomatoes, broth, bay leaf, chipotle, and parsley stems. Stir gently.
- Slow cook: Cover and cook on LOW 6½ hours, adding sliced garlic after 4 hours.
- Finish: Remove bay leaf, adjust salt, mash a few squash cubes to thicken, and stir in fresh herbs. Serve hot with your favorite toppings.
Recipe Notes
For deeper flavor, make a day ahead; chili thickens and improves overnight. Freeze portions up to 3 months.
