Last January, after a particularly brutal week of sub-zero wind chills and a driveway that needed shoveling every four hours, I craved something that could single-handedly defeat the winter blues. I wanted a bowl that packed the protein my active family needed, the comfort of tender beef, and the sunny sweetness of winter squash to remind us that brighter days were coming. After three test batches (and a lot of “quality control” tastings), this high-protein beef stew with winter squash and fresh herbs became our new cold-weather anthem. It’s the recipe I turn to when friends call to say they’re stopping by, when my teenagers finish a double-header and need serious refueling, or when I simply want the stove doing the heavy lifting while I curl up with a thick novel. If you, too, are searching for a soup that feels like a fleece blanket but performs like a personal trainer, keep reading—this one’s for you.

Why This Recipe Works

Protein powerhouse: A generous 2½ lbs of lean chuck roast plus a surprise scoop of grass-fed collagen peptides equals 38 g of protein per serving—no dry chicken breast required.
Two-stage tenderizing: Sear the beef until mahogany, then slow-simmer in a clay pot or Dutch oven for fork-shreddable meat in under 90 minutes.
Winter squash magic: Roasted cubes of butternut or kabocha melt into the broth, naturally thickening the stew and lending a gentle sweetness that balances the savory herbs.
Fresh herb finish: A shower of chopped parsley, rosemary needles, and bright lemon zest wakes everything up just before serving—no gray, muted flavors here.
One-pot clean-up: After the initial sear, everything simmers together, meaning fewer dishes and more time for Netflix.
Meal-prep hero: Flavors deepen overnight, so make a double batch on Sunday and enjoy lunches all week; it freezes beautifully for up to three months.

Ingredients You'll Need

Great beef stew starts at the butcher counter. Look for well-marbled chuck roast (sometimes labeled “chuck eye” or “chuck shoulder”) with bright red color and milky white fat streaks. Skip pre-cut “stew beef”; it’s often random trimmings that cook unevenly. Ask your butcher to cut a 2½-lb roast into 1½-inch pieces—most are happy to oblige.

Next up, winter squash. Butternut is reliable year-round, but if you spot a kabocha or red kuri, grab it—their dense flesh holds shape and adds chestnut-like sweetness. The skin on these varieties is tender enough to eat once simmered, saving you peeling time.

On the aromatics front, I combine yellow onion, two carrots, and two parsnips for layered sweetness. Parsnips are underrated; they infuse the broth with a faint spicy note that complements the beef.

For umami depth, tomato paste gets browned in the fond (the crackly brown bits on the pot bottom) before any liquid goes in—this caramelizes the natural sugars and removes any tinny taste. I also stir in a tablespoon of fish sauce; you won’t detect it, but it turbo-charges the savoriness (trust me).

The protein boost comes from unflavored grass-fed collagen peptides. They dissolve invisibly into the hot broth, adding 10 g of protein per serving without altering texture. If you’d rather skip supplements, substitute 1 cup of red lentils; they’ll cook down and thicken the stew while adding fiber and plant protein.

Finally, fresh herbs. Woodsy rosemary and thyme go in early to perfume the braise, while delicate parsley and lemon zest finish the dish for a pop of color and freshness.

How to Make High-Protein Beef Stew with Winter Squash and Fresh Herbs

Pat, season, and sear the beef

Thoroughly dry the chuck pieces with paper towels—moisture is the enemy of browning. Toss with 2 tsp kosher salt, 1 tsp black pepper, and 1 tsp sweet paprika. Heat 2 Tbsp avocado oil in a heavy Dutch oven over medium-high until shimmering. Working in two batches, sear the beef until a deep crust forms on two sides, about 4 minutes per side. Transfer to a plate. Deglaze the pot with a splash of broth between batches if the fond threatens to burn.

Build the aromatic base

Lower heat to medium. Add 1 diced onion, 2 sliced carrots, and 2 sliced parsnips. Scrape the fond as the vegetables sweat. Once the onions turn translucent, stir in 3 minced garlic cloves and 2 Tbsp tomato paste. Cook until the paste darkens to brick red, about 2 minutes.

Deglaze and bloom the spices

Pour in ½ cup dry red wine (cabernet or merlot) and 1 Tbsp balsamic vinegar. Boil for 1 minute while scraping the browned bits. Sprinkle 2 Tbsp flour over the mixture; cook 1 minute to remove raw taste. This light roux will subtly thicken the stew later.

Add liquids and herbs

Return the beef and any juices to the pot. Stir in 4 cups low-sodium beef stock, 1 Tbsp Worcestershire sauce, 1 Tbsp fish sauce, 2 bay leaves, 3 sprigs thyme, and 1 sprig rosemary. Bring just to a gentle simmer—do NOT let it reach a rolling boil or the meat will tighten.

Slow braise

Cover, reduce heat to low, and simmer 45 minutes, stirring once halfway. If you own a flame tamer or heat diffuser, use it; it prevents hot spots and scorched bottoms.

Roast the squash

While the stew bubbles, toss 3 cups ¾-inch squash cubes with 1 Tbsp oil, ½ tsp salt, and ¼ tsp pepper on a sheet pan. Roast at 425 °F for 18 minutes, flipping once. Roasting concentrates sweetness and keeps the cubes intact in the stew.

Combine and finish

Add the roasted squash and 2 scoops (about 20 g) unflavored collagen peptides to the pot. Simmer 10 more minutes so flavors meld. Fish out bay leaves and woody herb stems.

Season and garnish

Taste for salt; add more if your stock was low-sodium. Ladle into warm bowls and shower with ¼ cup chopped flat-leaf parsley, 1 tsp minced rosemary needles, and ½ tsp lemon zest. A hunk of crusty sourdough is non-negotiable.

Expert Tips

Low-and-slow wins

Keep the heat gentle; a vigorous boil will turn the beef rubbery. You want the occasional lazy bubble.

Thicken smarter

If you prefer a thicker stew, mash a ladleful of squash against the side of the pot and stir it in rather than adding more flour.

Overnight upgrade

Refrigerate the finished stew overnight; the collagen sets into a gentle aspic that melts once reheated, concentrating flavor.

Double batch bonus

This recipe doubles effortlessly in an 8-quart pot—freeze half in pint containers for single-serve power lunches.

Clay pot option

A Romertopf or other clay pot distributes heat gently and keeps the stew from scorching—soak the lid first for best results.

Protein math

Want even more? Stir a can of drained cannellini beans during the final 5 minutes for an extra 6 g protein per serving.

Variations to Try

Mushroom lover: Swap 1 cup of squash for an equal amount of cremini mushrooms sautéed in butter. Umami overload—in the best way.
Smoky heat: Add ½ tsp smoked paprika and a minced chipotle pepper in adobo for a Tex-Mex twist. Garnish with cilantro instead of parsley.
Irish pub style: Replace squash with potatoes, swap wine for Guinness, and stir in shredded cheddar just before serving.
Paleo + Whole30: Omit flour; thicken with puréed squash. Skip the wine and use extra broth plus 1 tsp balsamic instead.

Storage Tips

Cool the stew completely, then refrigerate in airtight containers up to 4 days. Reheat gently with a splash of broth—microwave at 70% power to prevent the beef from toughening.

To freeze, portion into quart freezer bags, press out excess air, and freeze flat up to 3 months. Thaw overnight in the fridge, then warm on the stove over medium-low heat, stirring often.

For make-ahead parties, prepare through Step 5, refrigerate the components separately, then combine and simmer 20 minutes before guests arrive.

Frequently Asked Questions

Yes—sear the beef and aromatics on the stovetop first for flavor, then transfer everything except squash to a slow cooker. Cook on LOW 6 hours, add roasted squash for the last 30 minutes.

Substitute red lentils or cooked great northern beans; both dissolve slightly and thicken while adding protein. Alternatively, simply enjoy the naturally occurring protein from the beef.

Not at all. Replace with extra beef stock plus 1 Tbsp balsamic vinegar for depth. If alcohol is okay, a splash of stout or porter works beautifully too.

Insert a fork and twist gently. If the meat yields with little resistance and breaks into silky strands, it’s ready. Undercooked beef will feel tough and springy.

Absolutely. Swap beef for two cans of lentils and 8 oz cremini mushrooms. Use vegetable stock and add 2 Tbsp white miso for umami. Simmer only 20 minutes to prevent mushiness.

Roasting caramelizes the squash edges, preventing them from dissolving into mush during the braise. It also adds a toasty depth you can’t achieve by simmering raw cubes.