Grilled Stuffed Summer Squash is a yummy vegetarian grilling recipe that is low carb but high in flavor. It’s the perfect way to use up too many yellow summer squash. This taste-tester-approved recipe is a favorite easy dinners to make with summer squash. Healthy Seasonal Recipes is a website where you can count on finding professionally developed produce recipes that really work! And today’s recipe is a tried and true way to use summer squash!

the squash on a red and white plate

Why Try Stuffed Grilled Yellow Squash

Lately in my test kitchen, I have been making pickled beets and fresh string beans on repeat. But in a few weeks, once my first yellow summer squashes appear on the vines in my vegetable garden I’ll make my Healthy Summer Squash Casserole and Chicken Tortilla Skillet. And these Stuffed Grilled Summer Squash is another way to use summer squash. It’s a main course or side dish that’s low in carbs, and light in calories, but still very yummy and full of flavor.

Ingredients For Stuffed Yellow Squash

  • Yellow summer squash: The perfect yellow summer squash will be about 8 to 12 inches long, bright yellow, firm to the touch and have a shiny skin. If you can’t find good in-season yellow summer squashes you can use zucchini’s, although that’s only if you have to.
  • Chopped onion, Green bell pepper and Cherry tomatoes: For the stuffing
  • Seasonings: Salt and freshly ground pepper and chopped basil or cilantro (basil is a great alternative)
  • Extra-virgin olive oil: To cook the onion and bell peppers
  • Cheddar cheese: To top off the grilled stuffed squash you’ll need shredded cheddar cheese. I suggest using the sharpest available for the strongest cheese flavor. You can use another type of good melting cheese instead. Fontina or Monterey Jack would also work well

How To Grill Stuffed Summer Squash

Step 1: Preheat the grill

Preheat the grill for indirect heat on one side. For gas grill with two burners, use only one burner on high. For three burner grill use two on medium-high. For charcoal grill, when coals are ready rake them to one side.

Step 2: Cook veggies

While the grill preheats, heat two teaspoons oil in a medium skillet over medium-high heat. Add pepper, onion, ¼ teaspoon salt and pepper and cook, stirring often until the vegetables are softened and starting to brown, about 5 minutes. Remove the skillet from the heat and stir in tomatoes and basil or cilantro.

Step 3: Prep squash

While the vegetables are cooking, prepare the squash. Cut squash in half lengthwise. Hollow each half out slightly using a Parisian scoop, a teaspoon or apple corer. Brush the remaining 2 teaspoons oil over the squash. Sprinkle the remaining ½ teaspoon salt over the squash.

Step 4: Grill squash

The grill should be about 350 degrees F. inside with the lid closed. Grill squash, cut-side-down, on the hot side of the grill until starting to soften and they have grill marks, 5 to 8 minutes. Flip them over onto the other side of the grill without heat under them, so they are cut-side up. Divide the filling among them. Top with the cheddar, dividing evenly. Cover the grill and let cook until the squash is completely tender and the cheese is melted, about 15 to 18 minutes. Season with more salt if desired.

the grilled stuffed summer squash on a black slate

FAQs and Chef Katie’s Expert Tips

How do I keep my vegetables from sticking to the grill?

Keep your veggies from sticking by either lightly tossing them with oil or brush oil directly onto the grates by dipping a paper towel in oil and using tongs.

How can I keep small vegetables from falling through grill grates?

Put smaller veggies on skewers or use one of those snazzy grill pans.

How do I sear the vegetables without overcooking?

Use high direct heat to sear your veggies and then lower to indirect heat if needed to continue to cook them without burning. Do this by turning one burner on high and leave the other burner(s) off or on low.

How can I speed up the cooking process?

Cut your veggies small enough so they will cook quickly, but not so small they will fall through the grates. You can also grill your veggies in foil packets. This is especially awesome for vegetables that take a little longer to cook like potatoes and carrots.

Reheating, Make Ahead and Storage for Stuffed Summer Squash on The Grill

  • Make Ahead: Make the filling ahead of time and store in an airtight container in the fridge for up to 2 days. Once ready to serve, prep the squash and add the filling. Top with cheese and broil to melt!
  • Leftovers and Storage: If you have leftovers, store them in an airtight container in the fridge for 2 to 3 days. You can also store them on a serving plate covered with tin foil.
  • Reheating: Reheat the stuffed squash in the microwave on a plate, covered with parchment or a paper towel on high heat for 90 seconds per squash half.

Serving Suggestions

Pair this with grilled meats for a side dish or serve with meatless sides as a vegetarian main dish.

the stuffed summer squash with grill marks on a black slate board and red and white decorated plate

More grilled vegetable Recipes

At Healthy Seasonal Recipes, we specialize in cooking with fresh veggies and creating weeknight meals. Sign up HERE to get more produce-forward dinner ideas for FREE! If you make this recipe, please come back and leave a star rating and review. I would love to hear what you thought! Happy Cooking! ~Katie

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A BLACK SLATE BOARD WITH GRILLED STUFFED SQUASH ON IT

Grilled Stuffed Summer Squash


5 Stars 4 Stars 3 Stars 2 Stars 1 Star

5 from 7 reviews

  • Author: Katie Webster
  • Total Time: 40 minutes
  • Yield: 4 entree servings, 8 side dish servings 1x

Description

Grilled Stuffed Summer Squash Boats are a yummy vegetarian grilling recipe that is low carb but high in flavor! It will help you use up some of those yellow summer squash that are bursting out of the garden.


Ingredients

Units Scale
  • 4 teaspoons extra-virgin olive oil, divided
  • 1 green bell pepper, diced
  • 1/2 cup chopped onion
  • 1/2 teaspoon salt, divided, plus more to taste
  • 1/4 teaspoon freshly ground pepper
  • 1 cup quartered cherry tomatoes
  • 1/4 cup chopped basil or cilantro
  • 4 medium yellow summer squash
  • 4 ounces shredded sharp cheddar cheese

Instructions

  1. Preheat grill for indirect heat on one side. For gas grill with two burners, use only one burner on high. For three burner grill use two on medium- high. For charcoal grill, when coals are ready rake them to one side.
  2. While grill heats, heat two teaspoons oil in a medium skillet over medium-high heat. Add pepper, onion, ¼ teaspoon salt and pepper and cook, stirring often until the vegetables are softened and starting to brown, about 5 minutes. Remove the skillet from the heat and stir in tomatoes and basil or cilantro.
  3. While the vegetables are cooking, prepare the squash. Cut squash in half lengthwise. Hollow them out slightly using a Parisian scoop, a teaspoon or apple corer. Brush the remaining 2 teaspoons oil over the squash. Sprinkle the remaining ½ teaspoon salt over the squash.
  4. The grill should be about 350 degrees F. inside with the lid closed. Grill squash cut-side-down on the hot side of the grill until starting to soften and they have grill marks, 5 to 8 minutes. Flip them over onto the other side of the grill without heat under them, so they are cut-side up. Divide the filling among them. Top with the cheddar cheese, dividing evenly. Cover the grill and let cook until the squash is completely tender and the cheese is melted, about 15 to 18 minutes. Season with more salt if desired.

Notes

Make-ahead:

Make the filling ahead of time and store in an airtight container in the fridge for up to 2 days. Once ready to serve, prep the squash and add the filling. Top with cheese and broil to melt!

  • Prep Time: 25 minutes
  • Cook Time: 35 minutes
  • Category: Main Course
  • Method: Grilling
  • Cuisine: American

Nutrition

  • Serving Size: 2 or 4 boats
  • Calories: 200
  • Sugar: 5 g
  • Sodium: 467 mg
  • Fat: 14 g
  • Saturated Fat: 7 g
  • Carbohydrates: 12 g
  • Fiber: 4 g
  • Protein: 10 g

I originally shared this recipe on July 11, 2014.

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