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Summer Squash & Onions – a simple uncomplicated dish that is healthy, delicious, and the perfect way to enjoy the season’s best yellow squash and zucchini.
You can use zucchini or yellow squash, or a combination of both.

Cook’s NOTES:
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Summer Squash & Onions
Ingredients
- 1 tablespoons olive oil
- 1 tablespoon butter
- 1 large or 2 small sweet onions chopped or sliced
- 2 medium zucchini chopped or sliced
- 3 yellow squash chopped or sliced
- 1 (15 ounce) can diced tomatoes with basil, oregano and garlic (do not drain)
- 1 teaspoon freshly ground pepper
- 1 teaspoon seasoning salt like Accent
- 2 teaspoons Mrs. Dash seasoning any flavor (no salt added - we like Table Blend)
Instructions
- Warm a large skillet over medium heat. Add the olive oil and butter. Once the butter is melted, add the chopped onions and sauté until crisp tender and starting to brown, about 5 minutes.
- Add the squash, zucchini, tomatoes with juice, pepper, salt and Mrs. Dash.
- Heat until boiling. Cover and cook over medium-low until the squash is crisp tender but not falling apart. Remove the lid and boil until some of the liquid is evaporated.
- If freezing for later use, cook only a few minutes to mix all ingredients, cool and freeze.
Recipe Notes
- You can cook this down until it's like a vegetable stew or just sauté until crisp tender.
- If freezing for later use, lightly cook the vegetables without a lid on the skillet.
- See the Cook's Notes in the post and let me know if you have questions!
Nutrition
If you’ve got some extra zucchini, be sure to try our Corn & Zucchini Casserole with jalapeños.
How about some Chocolate Zucchini Bread – dessert and vegetables in one bite … bonus!
Callie
When I get fresh garden veggies, I look forward to making this every summer! It’s just so good! We enjoy it over rice for a full meal. I shared some this time, and the feedback was outstanding. 😁
Tricia Buice
Thanks Callie! We truly appreciate the feedback. Love your idea of making it a complete meal by adding rice. Perfect.
Regi
I make this all the time – use garlic to spice it up, and fresh grape or cherry tomatoes. Last time, I had a can of fire-roasted tomatoes and used that. The tomatoes were like a salsa, so it spiced it up quite a bit – really delicious!
Tricia Buice
Sounds terrific Regi. I’m going to try the fire-roasted tomatoes next time. Thanks!