A fast, flavorful low-carb stir fry with tender beef, crisp vegetables, and a savory sesame-garlic sauce — all without seed oils or added sugar. I made a stir fry asian cauliflower rice to serve with this in a bowl. It was so easy and delicious! I’ve made this dish several times with lots of variety but it always turns out.

Why This Works

• Tender beef: a quick baking soda velvet technique keeps the meat soft and restaurant-style tender.
• Low carb: mostly non-starchy vegetables with only a few carrot slivers for color and sweetness.
• Seed-oil free: uses avocado oil, tallow, or coconut oil.
• Flavor packed: garlic, ginger, coconut aminos, sesame, and a touch of lime create a rich sauce without sugary bottled stir fry sauces.

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Keto Sesame Garlic Beef Stir Fry Recipe

Ingredients

Beef

• 1½ lbs flank steak, sirloin, or ribeye, sliced very thin against the grain
• 1 teaspoon baking soda
• 1 tablespoon water
• 1 teaspoon salt
• ½ teaspoon pepper

Vegetables

• 1 large broccoli crown, cut into florets
• 1 red bell pepper, sliced
• 1 yellow or orange bell pepper, sliced
• 1 medium onion, sliced
• ¼ cup thin carrot slivers
• 3 garlic cloves, minced
• 1 tablespoon fresh ginger, minced
• 2 green onions, sliced

Sauce

• ⅓ cup coconut aminos
• 1 tablespoon toasted sesame oil
• 1 tablespoon lime juice or rice vinegar
• 1 teaspoon fish sauce (optional but excellent)
• ½ teaspoon crushed red pepper flakes
• 1–2 teaspoons keto sweetener (optional)
• 1 teaspoon xanthan gum OR 1 teaspoon arrowroot if you don’t mind a few carbs

For Cooking

• 1–2 tablespoons avocado oil, beef tallow, or coconut oil
• Sesame seeds for garnish

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Tender Beef Trick (Highly Recommended)

Place sliced beef in a bowl with:

• baking soda
• water
• salt

Mix well and let sit for 15–20 minutes.

Then rinse lightly and pat dry VERY well.

This simple velveting step makes inexpensive beef surprisingly tender.

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Instructions

1. Make the Sauce

Whisk together:

• coconut aminos
• sesame oil
• lime juice
• fish sauce
• red pepper flakes
• sweetener if using
• xanthan gum or arrowroot

Set aside.

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2. Cook the Broccoli

Heat a large skillet or wok over medium-high heat.

Add a little avocado oil or tallow.

Cook broccoli 3–4 minutes until bright green and slightly tender. Remove and set aside.

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3. Sear the Beef

Increase heat to high.

Add more oil if needed.

Cook beef in batches so it browns instead of steaming:

• about 1–2 minutes per side

Remove from pan.

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4. Stir Fry the Vegetables

Add:

• onions
• bell peppers
• carrots

Cook 3–4 minutes until slightly softened but still crisp.

Add garlic and ginger during the last 30 seconds.

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5. Finish

Return broccoli and beef to the pan.

Pour sauce over everything and toss well.

Cook another 1–2 minutes until glossy and hot.

Top with:

• sesame seeds
• green onions

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Optional Add-Ins

These work really well while staying keto-friendly:

• Mushrooms
• Snow peas (small amount)
• Shredded cabbage
• Water chestnuts (not super low carb but adds crunch)
• Jalapeño slices

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Serving Ideas

Serve over:

• cauliflower rice
• sautéed cabbage
• shirataki noodles
• hearts of palm noodles

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Nutrition Estimate (Per Serving)

Approximate, based on 5 servings:

• Protein: 32g
• Net carbs: 8–10g
• Fat: 20g
• Calories: ~350–420

The carrot amount keeps the carb count reasonable while still giving that classic stir fry flavor and color.