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Keto Slow Cooker Beef and Broccoli

Keto slow cooker beef and broccoli: thin-sliced flank steak in a soy, garlic, ginger and sesame sauce, with the broccoli steamed separately so it stays green.

By Shary Eliot ·OCT 22, 2026 ·Be the first to rate
Keto Slow Cooker Beef and Broccoli
01Why this one

Slow cooker beef and broccoli is a takeout favourite you can make at home. Thin-sliced flank steak cooks in a soy, garlic, ginger and sesame sauce until tender.

The key is cooking the broccoli separately, so it stays bright green with a little bite. Erythritol replaces brown sugar and xanthan gum replaces cornstarch, for about 7g net carbs per serving.

Why You’ll Love This Keto Slow Cooker Beef and Broccoli

  • Better than takeout, with no sugar.
  • Tender beef in a glossy sauce.
  • Broccoli stays green and crisp.
  • Easy weeknight dinner.
02Before you cook

What You’ll Need

Flank steak
Sliced thin against the grain.
Alcohol-free soy sauce or tamari
The base of the sauce. Tamari is gluten free.
Garlic, ginger and sesame oil
The classic flavours.
Erythritol
Replaces brown sugar.
Broccoli
Steamed separately.

How This Recipe Comes Together

The sauce is whisked together in the slow cooker and the sliced beef is tossed through it. After five hours on low the beef is tender. The broccoli is steamed separately and stirred in at the end, and the sauce is thickened with xanthan gum. Keep the lid on while it cooks so the slow cooker holds a safe cooking temperature.

03At the stove
Keto Slow Cooker Beef and Broccoli
The recipe

Keto Slow Cooker Beef and Broccoli

Rate it ·Main Course · Chinese
Prep
15 MIN
Cook
5 HRS
Total
5 HRS 15 MIN
Serves
6

01Ingredients

6 servings

02Method

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03Recipe notes

  1. 01Per serving: 7g net carbs, 38g protein, 16g fat, 330 calories. Calculated from the ingredient list using USDA data.

04Nutrition

Per serving
Calories
330
Protein
38G
Net carbs
7G
Fat
16G
Fiber
3G

Net carbs are total carbs minus fiber. Numbers are estimates from the ingredients listed.

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04After dinner

What to Serve With It

Serve over cauliflower rice with sesame seeds and green onion. Our original Crockpot Beef and Broccoli uses brown sugar and cornstarch; this version swaps both out. If you like tender slow cooker beef, try these Keto Slow Cooker Short Ribs too.

How to Store and Reheat

Refrigerate for up to 4 days. The broccoli softens on reheating, so store it separately if you can. The beef freezes well for up to 3 months. Cool leftovers and get them into the fridge within 2 hours, as the USDA leftovers guidance recommends.

FAQs

Can I use coconut aminos?

Yes, but they contain more carbs than soy sauce.

Can I use chuck?

Yes. Slice it thinly and cook for 6 hours.

Can I add other vegetables?

Snow peas, peppers or mushrooms all work.

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