Easy Roasted Frozen Broccoli (Keto, 20 Mins!)

Vegetarian

March 9, 2026

A woman holding a baking sheet filled with crispy, golden-brown roasted broccoli florets seasoned with olive oil and salt.

Let’s be real—some nights, you need a delicious, healthy side dish that requires zero effort. Enter the humble bag of frozen broccoli! This recipe is my secret weapon for transforming those icy florets into a ridiculously crispy, golden, and flavorful side in under 20 minutes. It’s the ultimate weeknight win, perfect for anyone needing a fast, low-carb, Keto, or Paleo-friendly vegetable that actually tastes incredible.

Ingredients

• 16 oz / 454 g frozen broccoli florets
• 1 tbsp / 14 g olive oil
• Sea salt, to taste

Instructions

1. Directions
2. Preheat your oven to 400°F / 204°C.
3. Spread the frozen broccoli florets in a single layer on a large baking sheet.
4. Drizzle with olive oil, sprinkle generously with sea salt, and toss to coat everything evenly.
5. Roast for 12-15 minutes.
6. Remove the pan from the oven, toss the broccoli, and return to roast for another 5-7 minutes, or until the edges are browned and perfectly crispy.

Nutritional Information

• Per Serving (1/4 of recipe)
• Calories: 68
• Total Fat: 3.8 g
• Total Carbohydrates: 5.6 g
• Dietary Fiber: 3.8 g
• Net Carbs: 1.8 g
• Protein: 3.2 g
• Sodium: 290 mg

Pro Tips

• Roast from Frozen: Do not thaw the broccoli first! Roasting directly from frozen is the key to avoiding a soggy texture and achieving maximum crispiness.
• Don’t Crowd the Pan: Spread the florets in a single, even layer with space between them. Overcrowding the pan will cause the broccoli to steam instead of roast.
• Use a Hot Pan: For an extra-crispy sear, place your empty baking sheet in the oven as it preheats. Carefully add the seasoned broccoli to the hot pan to jumpstart the caramelization.

FAQ

Q: Do I need to thaw the broccoli before roasting
A: No, do not thaw the broccoli. Roasting it directly from frozen is the secret to making it crispy and preventing it from becoming soggy.

Q: How do I make my roasted frozen broccoli extra crispy
A: For maximum crispiness, make sure the broccoli is in a single layer and don’t overcrowd the pan, as this causes it to steam. You can also preheat the baking sheet in the oven before adding the broccoli to get a better sear.

Q: Is this roasted broccoli recipe keto-friendly
A: Yes, this recipe is perfect for a Keto, Paleo, or low-carb diet. With only 1.8 grams of net carbs per serving, it’s a delicious and easy side dish.

Q: What temperature should I roast frozen broccoli at
A: Roast the frozen broccoli at 400°F (204°C) for a total of 17-22 minutes, tossing it once halfway through the cooking time to ensure it gets crispy on all sides.

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