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Crispy Ultimate Roasted Tomato Sandwiches with Easy Vegan Lemon Garlic Aioli

crispy roasted tomato sandwich - featured image

A satisfying and light sandwich featuring slow-roasted caramelized tomatoes, crispy bread, and a tangy vegan lemon garlic aioli that creates a perfect balance of flavors.

Ingredients

Scale
  • 4 large ripe tomatoes, sliced (Roma or heirloom preferred)
  • 2 tbsp extra virgin olive oil
  • 1 tsp smoked paprika
  • 1/2 tsp sea salt
  • Freshly cracked black pepper, to taste
  • 1 tsp dried oregano or Italian seasoning (optional)
  • 1/3 cup vegan mayonnaise (e.g., Follow Your Heart brand)
  • 1 large garlic clove, finely minced or grated
  • 1 tbsp fresh lemon juice (about half a lemon)
  • 1 tsp lemon zest
  • 1/4 tsp sea salt
  • Freshly ground black pepper, to taste
  • 1 tsp maple syrup or agave
  • 8 slices crusty bread (sourdough or artisan loaf)
  • 2 tbsp vegan butter or olive oil, for toasting
  • Fresh basil leaves or arugula
  • Optional: thinly sliced red onion or vegan cheese

Instructions

  1. Preheat oven to 375°F (190°C). Line a baking sheet with parchment paper.
  2. Slice tomatoes about 1/2 inch thick. Toss gently in a bowl with olive oil, smoked paprika, sea salt, black pepper, and oregano.
  3. Arrange tomato slices in a single layer on the prepared baking sheet.
  4. Roast tomatoes for 25-30 minutes until edges caramelize and tomatoes soften but do not become mushy.
  5. While tomatoes roast, combine vegan mayonnaise, minced garlic, lemon juice, lemon zest, sea salt, black pepper, and maple syrup in a small bowl. Whisk until smooth and creamy.
  6. Heat a skillet over medium heat. Spread vegan butter or brush olive oil on each bread slice.
  7. Toast bread slices 2-3 minutes per side until golden brown and crispy. Remove and set aside.
  8. Spread a generous layer of lemon garlic aioli on each toasted bread slice.
  9. Layer roasted tomatoes evenly on half the bread slices, then top with fresh basil or arugula and optional red onion or vegan cheese.
  10. Close sandwiches with remaining bread slices and press gently. Optionally, grill briefly to warm through.
  11. If tomatoes release excess liquid, pat dry with paper towel before assembling to prevent soggy bread.

Notes

Pat roasted tomatoes dry if too juicy to avoid soggy bread. Aioli can be made a day ahead for better flavor. Toast bread well and press lightly for even crispiness. Adjust herbs or add vegan cheese for variations. Store components separately for best freshness.

Nutrition

Keywords: roasted tomato sandwich, vegan sandwich, lemon garlic aioli, crispy bread, easy lunch, vegan recipe, plant-based, quick sandwich