How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Roasted Cauliflower, Red Onion, And Green Beans?

You need 6 ingredients. The key ingredients include: 2 1/2 lbs cauliflower, cut into florets, 1 red onion, cut into thin wedges, 1/4 cup extra virgin olive oil, kosher salt, and more.

Is Roasted Cauliflower, Red Onion, And Green Beans suitable as vegetarian?

Yes, Roasted Cauliflower, Red Onion, And Green Beans falls under the Vegetarian category and is a great choice for this type of meal.

How do I store leftover Roasted Cauliflower, Red Onion, And Green Beans?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Roasted Cauliflower, Red Onion, And Green Beans

Name: Roasted Cauliflower, Red Onion, And Green Beans
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 1/2 lbs cauliflower, cut into florets; 1 red onion, cut into thin wedges; 1/4 cup extra virgin olive oil; kosher salt; fresh ground black pepper; 1/2 lb green beans, trimmed and cut into 1/2-inch pieces

Try this homemade Roasted Cauliflower, Red Onion, And Green Beans recipe the whole family will love. Made with cauliflower, red onion, extra virgin oliv…

This Roasted Cauliflower, Red Onion, And Green Beans relies on simple, everyday ingredients such as extra virgin olive oil, kosher salt and fresh ground black pepper. It comes together quickly and makes 4 servings, at about 231 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Vegetarian

Servings: persons

2 1/2 lbs cauliflower, cut into florets
1 red onion, cut into thin wedges
1/4 cup extra virgin olive oil
kosher salt
fresh ground black pepper
1/2 lb green beans, trimmed and cut into 1/2-inch pieces

Frequently Asked Questions

Quick Info

Servings
4 servings
Calories
231 kcal
Category
Vegetarian

Eats Now Editorial Team

Recipe developed & tested in-house

Passionate cooks who develop and test new recipes every day – from quick weeknight dinners to special occasion feasts.

Reviewed by the Eats Now Kitchen Team

More about our team →

Roasted Cauliflower, Red Onion, And Green Beans

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions