![['Close-up of tuna and avocado toast with roasted cherry tomatoes.', 'Side view of vibrant tuna and avocado toast on sourdough.', 'Delicious plate of tuna and avocado toast with pesto and fresh vegetables.', 'Gourmet tuna and avocado toast garnished with basil and lemon zest.']](https://simpleflavoria.com/wp-content/uploads/2026/07/u6426281249_close_up_photo_side_view_from_reddit._taken_with__d36db841-cd18-484d-85ad-bbfd878f30e6_0.webp)
Tuna and Avocado Toast with Oven-Roasted Tomatoes and Pesto
A flavorful and fresh open-faced sandwich combining roasted tomatoes, creamy avocado, and tuna on toasted sourdough, topped with basil and lemon zest.
Ingredients
Vegetables and Herbs
- 1 pint cherry tomatoes
- 5 cloves garlic cloves, smashed
- 10 sprigs fresh thyme
- 1/2 cup extra-virgin olive oil
- Kosher salt Kosher salt
Bread and Spreads
- 2 slices sourdough bread
- 1/4 cup pesto (kale pesto preferred)
- 1 small avocado, chopped
- 1 jar or tin olive-oil packed tuna (use good quality)
- 1/2 English cucumber thinly sliced cucumber
- 1 lemon zest of lemon
- 1/4 cup basil leaves
Seasonings
- Flaky salt and freshly ground black pepper flaky salt and black pepper
Instructions
- Preheat oven to 275°F (135°C). Place tomatoes, garlic, thyme, salt, and olive oil in a dish; bake for 2 hours until caramelized. Cool and store in fridge.
- Toast sourdough slices until charred. Spread 2 tbsp pesto on each.
- Top each with chopped avocado, dividing evenly. Mash lightly with a fork.
- Divide tuna, cucumber slices, and roasted tomatoes over the toasts. Tuck basil leaves, add lemon zest, and season with salt and pepper. Serve.
Notes
Use high-quality tuna and fresh ingredients for best flavor.