This California grilled veggie sandwich is a delightful and healthy option for a quick lunch or light dinner. Packed with vibrant vegetables and creamy hummus, it's a flavorful way to enjoy a variety of textures and tastes. Perfect for vegetarians and anyone looking to add more plant-based meals to their diet.
While most of the ingredients for this recipe are common, you might need to pay special attention to the hummus. It's a creamy spread made from chickpeas, tahini, lemon juice, and garlic. If you don't have it at home, you can find it in the refrigerated section of your supermarket, often near the dips and spreads.

Ingredients For California Grilled Veggie Sandwich
Red bell pepper: Adds a sweet and slightly smoky flavor when grilled.
Zucchini: Provides a mild, slightly sweet taste and tender texture.
Red onion: Offers a sharp, tangy flavor that mellows when grilled.
Whole grain bread: A hearty base that adds fiber and a nutty taste.
Olive oil: Used for brushing the vegetables to help them grill evenly and add a rich flavor.
Hummus: A creamy spread made from chickpeas, tahini, lemon juice, and garlic, adding a savory and tangy element.
Spinach leaves: Fresh greens that add a crisp texture and earthy flavor.
Technique Tip for This Recipe
To achieve perfectly grilled vegetables, ensure that your grill is preheated to medium-high heat. This will help in getting those beautiful grill marks and a slight char without overcooking the vegetables. When brushing the bell pepper, zucchini, and red onion slices with olive oil, make sure they are evenly coated to prevent sticking and to enhance their natural flavors. Additionally, keep an eye on the bread slices while toasting; they can go from golden brown to burnt very quickly.
Suggested Side Dishes
Alternative Ingredients
red bell pepper - Substitute with yellow bell pepper: Yellow bell peppers have a similar sweetness and texture, making them a good alternative.
red bell pepper - Substitute with roasted red peppers: Roasted red peppers offer a smoky flavor that can enhance the sandwich.
zucchini - Substitute with eggplant: Eggplant has a similar texture and can be grilled to achieve a comparable taste.
zucchini - Substitute with yellow squash: Yellow squash has a similar flavor profile and texture when grilled.
red onion - Substitute with sweet onion: Sweet onions provide a milder flavor that can complement the other ingredients.
red onion - Substitute with shallots: Shallots offer a more delicate and slightly sweet flavor, suitable for sandwiches.
whole grain bread - Substitute with sourdough bread: Sourdough bread has a tangy flavor and sturdy texture, making it a good alternative.
whole grain bread - Substitute with ciabatta: Ciabatta has a chewy texture and can hold up well to the sandwich fillings.
olive oil - Substitute with avocado oil: Avocado oil has a high smoke point and a mild flavor, suitable for grilling.
olive oil - Substitute with grapeseed oil: Grapeseed oil is neutral in flavor and also has a high smoke point, making it a good alternative.
hummus - Substitute with baba ganoush: Baba ganoush offers a similar creamy texture with a smoky flavor from roasted eggplant.
hummus - Substitute with avocado spread: Avocado spread provides a creamy texture and rich flavor, making it a suitable alternative.
spinach leaves - Substitute with arugula: Arugula adds a peppery flavor that can enhance the sandwich.
spinach leaves - Substitute with kale: Kale offers a slightly bitter taste and a hearty texture, making it a good substitute.
Other Alternative Recipes Similar to This Sandwich
How to Store or Freeze This Sandwich
- Allow the grilled vegetables to cool completely before storing. This prevents condensation, which can make the bread soggy.
- Store the grilled veggies and bread separately to maintain the texture and freshness of each component.
- Place the grilled vegetables in an airtight container. You can layer them with parchment paper to prevent sticking.
- Keep the bread in a resealable plastic bag or an airtight container to keep it from drying out.
- Store the hummus in a separate airtight container to maintain its creamy texture.
- Refrigerate all components if you plan to consume the sandwich within 2-3 days.
- For longer storage, freeze the grilled vegetables in a single layer on a baking sheet until solid, then transfer to a freezer-safe bag or container.
- Freeze the bread slices in a resealable plastic bag, separating each slice with parchment paper to prevent sticking.
- Thaw the grilled vegetables and bread in the refrigerator overnight before assembling the sandwich.
- Reheat the grilled vegetables in a skillet or microwave until warmed through.
- Toast the bread slices in a toaster or on a skillet to restore their crispness.
- Assemble the sandwich with fresh spinach leaves and hummus just before serving to ensure the best texture and flavor.
How to Reheat Leftovers
- Preheat your oven to 350°F (175°C). Wrap the sandwich in aluminum foil to keep it from drying out. Place it on a baking sheet and heat for about 10-15 minutes until warmed through.
- Use a toaster oven for a quicker method. Set it to 350°F (175°C) and place the sandwich directly on the rack or on a small baking tray. Heat for about 8-10 minutes.
- For a stovetop method, use a skillet over medium heat. Place the sandwich in the skillet and cover with a lid. Heat for about 3-5 minutes on each side until the bread is crispy and the vegetables are warmed through.
- If you prefer using a microwave, wrap the sandwich in a damp paper towel to keep it moist. Microwave on medium power for about 1-2 minutes, checking halfway through to ensure it heats evenly.
- For an air fryer, preheat to 350°F (175°C). Place the sandwich in the basket and heat for about 5-7 minutes, flipping halfway through for even heating.
Best Tools for This Recipe
Grill: Used to cook the vegetables and toast the bread, providing a smoky flavor and charred texture.
Grill brush: Useful for cleaning the grill grates before and after grilling.
Basting brush: Used to brush olive oil onto the vegetables to ensure they don't stick to the grill and to enhance their flavor.
Tongs: Essential for flipping the vegetables and bread slices on the grill without burning your hands.
Cutting board: Provides a safe and stable surface for slicing the bell pepper, zucchini, and red onion.
Chef's knife: Necessary for slicing the vegetables into rings and manageable pieces.
Measuring spoons: Used to measure out the olive oil accurately.
Spatula: Handy for spreading hummus evenly on the bread slices.
Serving plate: Used to assemble and serve the finished sandwiches.
How to Save Time on Making This Sandwich
Pre-cut vegetables: Slice the red bell pepper, zucchini, and red onion in advance and store them in airtight containers.
Use pre-made hummus: Save time by using store-bought hummus instead of making it from scratch.
Grill in batches: Grill all the vegetables at once to avoid multiple rounds of grilling.
Toast bread together: Toast all bread slices simultaneously on the grill to speed up the process.
Assemble quickly: Lay out all ingredients before assembling the sandwiches to streamline the process.

California Grilled Veggie Sandwich
Ingredients
Main Ingredients
- 1 unit Red Bell Pepper sliced into rings
- 1 unit Zucchini sliced
- 1 unit Red Onion sliced into rings
- 4 slices Whole Grain Bread
- 2 tablespoon Olive Oil
- 1 cup Hummus
- 1 cup Spinach Leaves
Instructions
- 1. Preheat the grill to medium-high heat.
- 2. Brush the bell pepper, zucchini, and onion slices with olive oil.
- 3. Grill the vegetables for about 3-4 minutes on each side until tender and slightly charred.
- 4. Toast the bread slices on the grill for about 1-2 minutes until golden brown.
- 5. Spread hummus on one side of each slice of bread.
- 6. Layer the grilled vegetables and spinach leaves on two slices of bread and top with the remaining slices.
- 7. Serve immediately and enjoy!
Nutritional Value
Keywords
Suggested Appetizers and Desserts
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