Slow Cooker Turkey & Spinach Stew with Lemon & Garlic

There’s a moment every November—after the big feast, when the turkey carcass has been picked clean and the glow of the holiday still lingers—when I crave something gentle, green, and bright. Not another platter of roasted meat and potatoes, but a bowl that feels like a deep breath. That’s when I pull out my slow cooker and start stacking translucent ribbons of leek, lean turkey, and an almost irresponsible amount of spinach. Eight hours later I lift the lid and the kitchen smells like a Mediterranean shoreline: lemon zest, silky garlic, and the faintest whisper of chili weaving through savory steam. One spoonful and I’m restored.

This slow-cooker turkey and spinach stew is my post-holiday reset, my busy-Wednesday salvation, and the dish I tote to new-parent friends who need nourishment without fuss. It asks for ten minutes of morning prep, then quietly simmers while you live your life—car-pool, conference calls, leaf-raking, whatever. Come suppertime you’re greeted by a velvety, protein-packed stew that tastes like you spent the day stirring a pot on the stove. I love that it’s naturally dairy-free, low-carb, and packed with iron-rich greens, yet still feels cozy and indulgent. If you’ve got leftover roast turkey languishing in the freezer (or a package of ground turkey that’s been eyeing you from the meat drawer), this is its highest calling.

Why This Recipe Works

Set-it-and-forget-it: Dump, stir, walk away—dinner cooks itself while you conquer the day.
Lean & green: Nearly two bunches of spinach wilt into the broth, delivering folate, iron, and vibrant color without tasting like salad.
Bright, not heavy: Lemon juice and zest added at the end keep the flavors lifted; no cream required.
Double-duty turkey: Works equally well with holiday leftovers or raw ground turkey—both turn meltingly tender.
One-pot wonder: Entire meal lives in your slow cooker; minimal dishes, maximum comfort.
Freezer hero: Portion and freeze flat in zip bags for up to three months; reheats like a dream.
Customizable heat: A pinch of chili flakes gives gentle warmth; leave it out for kids or amp it up for spice lovers.

Ingredients You'll Need

Great stew starts at the grocery store. Look for turkey that’s pale pink and smells neutral—if it’s vaguely sour or iridescent, pass. I buy boneless turkey thighs when they’re on sale; the gentle marbling keeps the meat juicy through the long cook. Breast works too, but you’ll want to shave 30–45 minutes off the timer to prevent stringiness.

For the greens, grab fresh spinach that’s perky, not slimy. Baby spinach saves you a stem-trimming step, but mature spinach has deeper flavor. (If you’re in a hurry, one 10-oz box of frozen chopped spinach, squeezed bone-dry, is a respectable understudy.) Leeks look intimidatingly sandy, but if you slice them first and swish the half-moons in a bowl of cold water, the grit sinks and the rings float—easy.

Finally, splurge on a plump, fragrant lemon. The zest holds the essential oils that perfume the entire pot, while the juice wakes everything up at the end. Bottled lemon juice tastes flat here—this is the moment for the real thing.

Substitutions worth knowing: Ground chicken or very lean pork works in place of turkey. Sweet potatoes can stand in for baby reds if you want a sweeter finish. And if you’re low on fresh herbs, 1 tsp dried oregano + ½ tsp dried thyme = the flavor neighborhood, though not quite the same zip.

How to Make Slow Cooker Turkey & Spinach Stew with Lemon & Garlic

Prep the aromatics

Trim the root end and dark tops from 2 large leeks, halve lengthwise, then slice into ½-inch half-moons. Submerge in a bowl of cold water, swish, and let sit 2 minutes so grit falls to the bottom. Lift leeks out, drain, and pat dry. Mince 6 cloves garlic and strip the leaves from 2 sprigs rosemary; give the leaves a quick chop so they don’t feel like pine needles later.

Brown (or don’t)

If you have 5 extra minutes, heat 1 Tbsp olive oil in a skillet and sauté the leeks with a pinch of salt until they turn translucent and just start to color. This caramelized edge adds depth, but if you’re racing out the door, you can skip it—just toss raw leeks into the slow cooker. I’ve done both; the stew is still lovely.

Load the crock

To a 6-quart slow cooker add the leeks, 1¼ lb turkey (leftover roasted, chopped bite-size; OR raw ground; OR boneless thighs cut in 1-inch chunks), 1 lb baby potatoes halved, 1 tsp kosher salt, ½ tsp black pepper, ¼ tsp chili flakes, the rosemary, and 3 cups low-sodium chicken stock. Give everything a gentle stir so the turkey is mostly submerged.

Low and slow

Cover and cook on LOW 6–7 hours (or HIGH 3–3½ hours) until turkey shreds easily and potatoes are fork-tender. If you used turkey breast, check at 5½ hours; you want it just cooked through so it stays moist.

Spinach avalanche

Remove lid, turn cooker to HIGH. Stir in 8 packed cups spinach (it looks outrageous, but trust the process). Cover 3 minutes to wilt, then stir again; the greens shrink to a manageable volume. If you’re using frozen spinach, add it straight from the box—no need to thaw, just break up the block.

Lemon lift-off

Zest the lemon directly into the pot, then squeeze in half the juice. Stir, taste, and add more juice until the broth sings—usually the whole lemon. The acid brightens the earthy spinach and balances the savory turkey.

Thicken (optional)

Prefer a silkier body? Ladle ½ cup hot broth into a small bowl and whisk with 1 tsp cornstarch until smooth. Stir slurry back into the stew and cook 5 minutes more until glossy.

Serve & garnish

Ladle into shallow bowls and top with extra lemon wedges, a drizzle of grassy olive oil, and crusty whole-grain bread for swiping. Leftovers taste even better tomorrow; the spinach darkens but the flavors marry gorgeously.

Expert Tips

Overnight Prep

Chop everything the night before and keep in a zip bag. In the morning, dump into the crock, add stock, and hit START—no morning brain required.

Salt in Stages

Salt the turkey lightly at the start, then adjust after the lemon goes in. Acid makes flavors pop; you may need an extra pinch at the end.

Cool Before Freezing

Let the stew cool completely, then ladle into quart bags. Lay flat to freeze; they’ll stack like books and thaw in minutes under warm water.

Potato Check

If your potatoes are larger than a ping-pong ball, quarter them; otherwise they’ll stay stubbornly firm while the turkey overcooks.

Keep it Green

Add spinach no more than 30 minutes before serving if you’ll be holding the stew on WARM; prolonged heat dulls the color.

Double Lemon Hack

Use a vegetable peeler to remove wide lemon strips (no pith) and simmer with the stew; fish them out at the end for subtler citrus perfume.

Variations to Try

Moroccan Twist: Swap rosemary for 1 tsp each cumin & coriander, add ½ cup diced dried apricots, and finish with chopped cilantro.
Creamy Version: Stir in 4 oz softened cream cheese with the spinach for a stroganoff vibe.
Bean Boost: Add 1 can rinsed cannellini beans with the potatoes for extra fiber and creaminess.
Green Swap: Sub kale or chard; just remove the woody stems and give them a 15-minute head start before the spinach.
Grains In: Add ½ cup pearled barley or farro at the beginning; increase stock by 1 cup and cook 8 hours on LOW.

Storage Tips

Refrigerator: Cool completely, transfer to airtight containers, and refrigerate up to 4 days. The flavors meld beautifully, though the spinach will darken slightly.

Freezer: Ladle cooled stew into quart-size freezer bags, squeeze out excess air, label, and freeze flat up to 3 months. Thaw overnight in the fridge or submerge the sealed bag in cool water for 30 minutes, then warm gently on the stove.

Reheat: Warm covered over medium-low heat, stirring occasionally and adding a splash of broth or water to loosen. Microwave works too—use 50 % power and stir every 60 seconds.

Make-ahead for parties: Cook the stew fully, then hold on the WARM setting for up to 2 hours. Add a fresh handful of spinach and a squeeze of lemon just before guests arrive for a bright pop of color.