This California grilled veggie sandwich is a delightful and healthy option for a quick lunch or a light dinner. Packed with vibrant, grilled vegetables and creamy hummus, it's a flavorful way to enjoy a variety of fresh produce. The whole grain bread adds a hearty touch, making this sandwich both satisfying and nutritious.
If you're heading to the supermarket, you might want to pay special attention to a few ingredients. Zucchini and baby spinach are fresh produce items that may not always be in your fridge. Additionally, hummus is a key ingredient that adds a creamy texture and rich flavor to the sandwich, so make sure to pick up a container if you don't have it on hand.
Ingredients For California Grilled Veggie Sandwich
Zucchini: A versatile summer squash that grills beautifully, adding a tender and slightly sweet flavor to the sandwich.
Red bell pepper: Provides a sweet and slightly smoky taste when grilled, along with a vibrant color.
Yellow bell pepper: Similar to the red bell pepper, it adds sweetness and a pop of color to the sandwich.
Red onion: When grilled, it becomes tender and caramelized, adding a mild sweetness and depth of flavor.
Whole grain bread: A hearty and nutritious base for the sandwich, offering a good source of fiber.
Olive oil: Used to brush the vegetables, helping them to grill evenly and adding a rich flavor.
Hummus: A creamy spread made from chickpeas, tahini, and other ingredients, providing a savory and smooth texture.
Baby spinach: Fresh greens that add a crisp texture and a boost of nutrients to the sandwich.
Technique Tip for This Recipe
When grilling vegetables, ensure they are cut into uniform slices to promote even cooking. Use a grill basket to prevent smaller pieces from falling through the grates. For added flavor, marinate the zucchini, bell peppers, and onion in a mixture of olive oil, lemon juice, and herbs for at least 30 minutes before grilling. This will enhance the taste and add a delightful zest to your California Grilled Veggie Sandwich.
Suggested Side Dishes
Alternative Ingredients
zucchini - Substitute with eggplant: Eggplant has a similar texture and can be grilled to achieve a comparable flavor profile.
red bell pepper - Substitute with poblano pepper: Poblano peppers provide a slightly smoky flavor and can be grilled similarly to red bell peppers.
yellow bell pepper - Substitute with orange bell pepper: Orange bell peppers have a similar sweetness and texture, making them a good alternative.
red onion - Substitute with yellow onion: Yellow onions can be grilled and offer a slightly milder flavor compared to red onions.
whole grain bread - Substitute with sourdough bread: Sourdough bread provides a tangy flavor and sturdy texture that holds up well to grilling.
olive oil - Substitute with avocado oil: Avocado oil has a high smoke point and a neutral flavor, making it suitable for grilling vegetables.
hummus - Substitute with baba ghanoush: Baba ghanoush offers a creamy texture and rich flavor, similar to hummus, and pairs well with grilled vegetables.
baby spinach - Substitute with arugula: Arugula provides a peppery taste and can add a fresh, slightly spicy element to the sandwich.
Other Alternative Recipes Similar to This Sandwich
How to Store / Freeze This Sandwich
Allow the grilled vegetables to cool completely before storing. This helps to prevent condensation, which can make the bread soggy.
Separate the grilled vegetables from the bread if you plan to store them for more than a few hours. This keeps the bread from becoming too moist.
Store the grilled vegetables in an airtight container in the refrigerator. They will stay fresh for up to 3-4 days.
Keep the bread in a separate airtight container or a resealable plastic bag at room temperature. If you prefer, you can also refrigerate the bread to extend its shelf life, but be aware it may become slightly dry.
To freeze, wrap each sandwich individually in plastic wrap or aluminum foil. Place the wrapped sandwiches in a resealable freezer bag or an airtight container. They can be frozen for up to 1 month.
When ready to eat, thaw the sandwiches in the refrigerator overnight. For a quicker option, you can use the microwave on a low setting to defrost.
Reheat the grilled vegetables in a skillet over medium heat or in the microwave until warmed through. Toast the bread separately to restore its crispness.
Assemble the sandwiches just before serving by spreading hummus on the bread, layering the reheated grilled vegetables and baby spinach, and topping with the other slice of bread.
How to Reheat Leftovers
- Preheat your oven to 350°F (175°C). Wrap the sandwich in aluminum foil to keep it from drying out. Bake for about 10-15 minutes or until heated through.
- Use a panini press or a grill pan. Preheat it to medium heat, then place the sandwich on the press or pan. Grill for 3-5 minutes, pressing down gently, until the bread is crispy and the vegetables are warm.
- For a quick method, use a microwave. Place the sandwich on a microwave-safe plate and cover it with a damp paper towel. Microwave on medium power for 1-2 minutes, checking halfway through to ensure it heats evenly.
- If you have an air fryer, preheat it to 350°F (175°C). Place the sandwich in the basket and air fry for 3-5 minutes, checking frequently to avoid over-crisping the bread.
- Reheat on the stovetop using a skillet. Heat the skillet over medium heat, then place the sandwich in the pan. Cover with a lid and cook for 3-4 minutes on each side, or until the vegetables are warm and the bread is toasted.
Best Tools for This Recipe
Grill: Used to cook the vegetables and toast the bread, giving them a smoky flavor and charred texture.
Brush: Essential for applying olive oil evenly on the vegetables to ensure they grill properly.
Tongs: Handy for flipping the vegetables and bread on the grill without burning your hands.
Knife: Necessary for slicing the zucchini, bell peppers, and red onion.
Cutting board: Provides a safe and stable surface for slicing the vegetables.
Spatula: Useful for lifting and moving the grilled vegetables and bread.
Serving plate: To arrange and serve the finished sandwiches.
Measuring spoons: For accurately measuring the olive oil and hummus.
How to Save Time on Making This Sandwich
Prep veggies in advance: Slice the zucchini, bell peppers, and onion the night before and store them in the fridge.
Use a grill pan: If you don't have an outdoor grill, a grill pan on the stove works just as well and saves setup time.
Pre-toast bread: Toast the whole grain bread in a toaster while the veggies are grilling to save a few minutes.
Batch cook: Grill extra vegetables and store them for quick assembly of sandwiches throughout the week.

California Grilled Veggie Sandwich Recipe
Ingredients
Main Ingredients
- 1 large Zucchini sliced
- 1 large Red Bell Pepper sliced
- 1 large Yellow Bell Pepper sliced
- 1 medium Red Onion sliced
- 4 slices Whole Grain Bread
- 2 tablespoon Olive Oil
- 1 cup Hummus
- 1 cup Baby Spinach
Instructions
- Preheat the grill to medium-high heat.
- Brush the zucchini, bell peppers, and onion slices with olive oil.
- Grill the vegetables for about 4-5 minutes on each side until tender and slightly charred.
- Toast the bread slices on the grill for 1-2 minutes until golden brown.
- Spread hummus on one side of each slice of bread.
- Layer the grilled vegetables and baby spinach on two slices of bread, then top with the remaining slices.
- Serve immediately and enjoy!
Nutritional Value
Keywords
Suggested Appetizers and Desserts
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