Jennerโs Stunning Heirloom Tomato Tart with Fresh Rosemary

Experience the vibrant flavors of summer with Jennerโs Heirloom Tomato Tart, a beautifully crafted dish that highlights the best of garden-fresh ingredients. This stunning tart is made with juicy heirloom tomatoes and fragrant rosemary, picked fresh from Cayley and Brandon Jennerโs California garden, bringing rich, natural flavor to every bite. Perfect as a show-stopping appetizer or light meal, this tart is both elegant and deliciously satisfying.
The base of this tart is a golden, flaky puff pastry, layered with a sweet bed of caramelized onions that adds depth and sweetness. Topped with slices of ripe, colorful heirloom tomatoes and a sprinkling of freshly chopped rosemary, this dish balances vibrant acidity with a touch of earthy herbiness. Each bite delivers a delightful contrast between the crispy pastry, soft tomatoes, and sweet onions, all elevated by the garden-fresh rosemary.
Cayley and Brandonโs heirloom tomato tart is both a feast for the taste buds and the eyes. The array of tomato colors โ from deep reds to bright yellows โ makes this tart a beautiful centerpiece for any gathering or special occasion.
Catch the Jenners in action on episode 4 of At Home With the Jenners only on UnchainedTV, where they prepare this delightful dish and share their love for simple, fresh ingredients — plus, meet their scene-stealing rescue chickens! Scroll down for the full recipe and get ready to impress with this deliciously rustic and colorful Heirloom Tomato Tart, straight from the Jennersโ garden to your table!
Get more of Cayley & Brandon Jenner’s recipes
Watch all episodes of At Home With the Jenners on UnchainedTV

Jenners Heirloom Tomato Tart
Ingredients
- 1 package vegan puff pastry Whole Foods brand recommended
- Dijon mustard
- 4 small onions
- Olive oil
- Herbs de Provence
- Assorted heirloom tomatoes
- Fresh rosemary
- Salt and pepper
- Fresh herbs for topping:
- Arugula
- Dill
- Parsley
- Arugula flowers optional
- Pine nuts
- Instructions
Instructions
- Defrost puff pastry completely
Caramelize Onions:
- Quarter onions
- Cook slowly in olive oil with salt and Herbs de Provence until sweet and caramelized
Prepare Tomatoes:
- Slice tomatoes
- Place on paper towels
- Salt and let drain for 30 minutes
Prepare Crust:
- Join two pieces of puff pastry
- Fold edges to create a border
- Place on floured baking sheet
Assembly:
- Brush pastry with Dijon mustard
- Spread caramelized onions as first layer
- Layer sliced tomatoes, overlapping slightly
- Drizzle with olive oil
- Season with salt and pepper
- Sprinkle with fresh rosemary
- Bake at 400ยฐF for 35-40 minutes until pastry is golden
Top with:
- Fresh herbs
- Arugula
- Pine nuts
- Light olive oil drizzle