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    Home » Side Dish » Sautéed Zucchini, Squash and Onions

    Published: Jan 21, 2022 · Modified: Jan 21, 2022 by Lisa Johnson

    Sautéed Zucchini, Squash and Onions

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    This post may contain affiliate links. As an Amazon Associate I earn from qualifying purchases. For more information, please visit my disclosure page.

    Jump to Recipe Print Recipe

    Sautéed zucchini, squash and onions is easy to prepare and loaded with flavor. All you need is sliced zucchini, yellow squash, yellow onion, minced garlic, fresh herbs and lemon zest to create the perfect side dish!

    Sautéed Zucchini, Squash, Onions, Basil, and Lemon Zest in a cast iron skillet.

    When you're looking for an easy and delicious side dish, zucchini is my favorite option. It has a subtle flavor that does not overpower the main course, or whatever vegetables that it is mixed with.

    Looking down on sautéed zucchini, yellow squash and onions in a cast iron skillet with a wooden spoon on the right hand side.

    📋 What you will need

    Sautéed Zucchini, Squash and Onions ingredients.
    • The stars of this dish are the zucchini and yellow squash that are sautéed in olive oil.
    • Thinly sliced onion and minced garlic give this dish an added depth of flavor.
    • Fresh basil and lemon zest add a nice boost of fresh flavor, with sea salt and black pepper bringing it all together.

    Be sure to check out the detailed printable recipe card below

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    👩🏻‍🍳 How to make sautéed zucchini, squash and onions

    Heat 2 tablespoons of olive oil in a large skillet over medium heat until it starts to shimmer. Add the zucchini and squash slices and cook until tender, about 6 to 8 minutes.

    Sliced zucchini and yellow squash in a cast iron skillet.

    Remove the squash from the skillet and set aside.

    Sautéed zucchini and squash in a small bowl.

    Reduce the temperature to medium and heat the remaining tablespoon of oil. Add the onion slices and cook until golden brown, about 5 to 7 minutes.

    Onion slices sautéed in a cast iron skillet.

    Next, add the garlic, salt and pepper and cook for an additional 2 minutes, stirring constantly to keep the garlic from burning.

    Return the squash to the skillet and toss to combine. Cook until heated through, about 2 more minutes.

    Remove from heat and garnish with basil and lemon zest before serving.

    Sautéed zucchini, yellow squash, onion, garlic, basil and lemon zest in a cast iron skillet.

    📍Recipe Notes & Tips

    • Substitute thyme, oregano, or any other herb that you like for the basil.
    • Don't have fresh basil? Substitute 0.5 teaspoon of dried.
    • All stoves cook differently, adjust cooking time accordingly.

    🥣 Tools used to create this recipe

    You can see the rest of my favorite kitchen tools and gadgets here in my Amazon Affiliate Page. I earn a small commission when you purchase through my links, at no cost to you, so I can keep bringing you more delicious recipes!

    • Chefs Knife & Cutting Board
    • Microplane Zester
    • Garlic Rocker
    • Cast Iron Skillet
    • Wooden Turner

    🍽️ Serving Suggestions

    Shrimp and Crab Stuffed Cod on a bed of sautéed zucchini and carrots with a lemon wedge on the side and one on the table.

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    Air Fryer Steak

    a close-up image of a cooked whole chicken on a wooden cutting board.

    Instant Pot Whole Chicken

    If you love this recipe, please rate it five stars and help me share on facebook and to help other readers in our community!

    Enjoy!!

    Sautéed Zucchini, Squash, Onions, Basil, and Lemon Zest in a cast iron skillet.

    Sautéed Zucchini, Squash and Onions

    All you need is sliced zucchini, yellow squash, onion, minced garlic, fresh herbs and lemon zest to create the perfect sautéed side dish!
    No ratings yet
    Print Rate
    Course: Side Dish
    Cuisine: Mediterranean
    Keyword: one skillet squash and onions
    Prep Time: 5 minutes
    Cook Time: 20 minutes
    Total Time: 25 minutes
    Servings: 4 Servings
    Calories: 135kcal
    Author: Lisa Johnson

    Equipment

    • Skillet

    Ingredients

    • 3 tablespoons olive oil divided
    • 1 large zucchini or two small, sliced .25-inch thick
    • 1 large yellow squash sliced .25-inch thick
    • 1 medium yellow onion thinly sliced
    • 3 large cloves garlic minced
    • 0.5 teaspoon sea salt
    • .25 teaspoon black pepper
    • 6 fresh basil leaves or 4 large - thinly sliced or torn
    • 1 lemon zested
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    Instructions

    • Heat 2 tablespoons of olive oil in a large skillet over medium heat until it starts to shimmer. Add the zucchini and squash slices and cook until tender, about 6 to 8 minutes. Remove the squash from the skillet and set aside.
    • Reduce the temperature to medium and heat the remaining tablespoon of oil. Add the onion slices and cook until golden brown, about 5 to 7 minutes.
    • Next, add the garlic, salt and pepper and cook for an additional 2 minutes, stirring constantly to keep the garlic from burning.
    • Return the squash to the skillet and toss to combine. Cook until heated through, about 2 more minutes.
    • Remove from heat and garnish with basil and lemon zest before serving.

    Notes

    • Substitute thyme, oregano, or any other herb that you like for the basil.
    • Don't have fresh basil? Substitute 0.5 teaspoon of dried.
    • All stoves cook differently, adjust cooking times as needed.
    • For added heat, serve with crushed red pepper flakes.

    Nutrition

    Calories: 135kcal | Carbohydrates: 9g | Protein: 2g | Fat: 11g | Saturated Fat: 2g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 8g | Sodium: 301mg | Potassium: 477mg | Fiber: 2g | Sugar: 5g | Vitamin A: 357IU | Vitamin C: 33mg | Calcium: 39mg | Iron: 1mg
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    Hi, I'm Lisa - Welcome to my kitchen! I have a passion for good food and love sharing my creations with friends, family and everyone that loves a homecooked meal. This is where I share my favorite recipes with step-by-step instructions as well as tips and tricks to help you make these delicious recipes in your home.

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