An autumn tart celebrating fall. Infused with fresh sage and nutmeg, the sauce forms a bright, savory foundation for caramelized red onions, melted Gouda, and roasted Kabocha squash.
Bring a rustic yet refined bistro touch to your table with this vibrant savory tart. Built inside a crisp, fluted pastry shell, every slice delivers a thoughtful balance of warm fall flavors. The secret lies in taking a high-quality pizza sauce and simmering it down with fresh sage and a pinch of nutmeg into a thick, jammy reduction. That rich tomato foundation gets layered with sweet low-and-slow caramelized red onions and melted aged Gouda, then finished with a striking pinwheel fan of roasted kabocha squash crescents, toasted walnuts, and a shimmering drizzle of hot honey. It is an impressive seasonal centerpiece that proves just how versatile a great sauce can be.
Why this works: The natural acidity and sweetness of the pizza sauce cut right through the rich Gouda and sweet kabocha, creating a perfect balance of bold flavor and elegant visual appeal.
Autumn Kabocha & Caramelized Red Onion Tart
There is something special about a savory autumn tart, so I wanted to create a version that celebrates peak fall produce. Built on a flaky fluted crust with a sage-infused pizza sauce and an intricate pinwheel of roasted Kabocha squash, it bakes up golden and fragrant—delivering a stunning centerpiece that balances warm, layered flavors in every slice.
Bake Time: 30 minutes total
Yield: One 9-inch or 10-inch tart (6–8 slices)
For the Tart Base:
- 1 pre-made pie dough sheet (or homemade shortcrust pastry), thawed
- 1 cup shredded aged Gouda cheese
- ⅓ cup toasted walnuts, roughly chopped
- 1–2 tablespoons hot honey (for drizzling)
- Fresh sage leaves (for garnish)
For the Sauce:
- ¾ cup Don Pepino pizza sauce
- 1 tablespoon fresh sage, finely minced
- ⅛ teaspoon freshly grated nutmeg
- Pinch of freshly cracked black pepper
For the Caramelized Red Onions:
- 1 medium red onion, thinly slicedJPG
- 1 tablespoon unsalted butter
- Splash of olive oil
- Pinch of salt
For the Flash-Roasted Kabocha:
- ½ small kabocha squash, seeded and sliced into ¼-inch crescents
- 1 tablespoon olive oil
- Salt and black pepper to taste
Instructions
1. Prepare & Flash-Roast the Kabocha Squash
- Softened Rind: Pierce the whole kabocha squash 4 to 5 times with a fork and microwave on high for 2 to 3 minutes to soften the skin. Let cool slightly, cut in half, scoop out the seeds, and slice into thin ¼-inch crescents.
- Flash-Roast: Preheat your oven to 400°F (200°C). Toss the squash crescents with olive oil, salt, and pepper on a baking sheet. Roast for 8 to 10 minutes until slightly tender and pliable, but still holding their shape. Set aside.
2. Simmer the Tomato Sauce & Caramelize the Onions
- Tomato Sauce: In a small bowl, combine the Don Pepino Pizza Sauce with the minced sage, freshly grated nutmeg, and black pepper. Stir well until the herbs and spices are evenly distributed—no cooking or reduction needed.
- Caramelized Onions: Heat the butter and olive oil in a skillet over medium-low heat. Add the sliced red onionsand a pinch of salt. Cook slowly for 10 to 12 minutes, stirring occasionally, until soft, sweet, and golden-purple.JPG+ 1
3. Blind-Bake the Tart Shell
- Roll the thawed pastry dough into your 9-inch or 10-inch fluted tart pan with a removable bottom, pressing it gently into the ridges and trimming any excess.
- Line the dough with parchment paper and fill with pie weights (or uncooked rice, lentils, or sugar).
- Bake at 400°F (200°C) for 10 minutes. Carefully remove the parchment and weights, then let the shell cool for 5 minutes.
4. Assemble & Bake
- Layer 1: Spread the pizza sauce evenly across the bottom of the warm crust.
- Layer 2: Scatter the caramelized red onions over the jam, then top with an even layer of shredded Gouda.JPG
- Layer 3: Arrange the roasted kabocha crescents over the cheese in an overlapping pinwheel or fan pattern, keeping the dark green skin facing outward.
- Final Bake: Bake at 400°F (200°C) for 18 to 20 minutes, until the crust edges are deep golden brown and the cheese is melted and bubbling.
5. Finish & Serve
Let the tart rest for 5 minutes, then carefully remove the outer fluted pan ring.
Sprinkle the top with chopped toasted walnuts, garnish with fresh sage, and finish with a generous drizzle of hot honey just before slicing.
Flavor Field Notes
On the Form:
This savory tart is an exercise in structural contrast and deliberate layering—a bake where every element serves both visual and textural purpose. Built inside a blind-baked fluted crust, it relies on a reduced tomato reduction to create a moisture barrier that keeps the pastry crisp. The layered architecture supports velvety squash crescents and caramelized onions, achieving a sturdy, sliceable structure that holds its clean geometric form from oven to table.
On the Flavor Profile:
By infusing Don Pepino Pizza Sauce directly with fresh sage and grated nutmeg, the sauce retains its bright, authentic tomato acidity and rich, slow-simmered depth to drive the entire palate. This vibrant tomato base cuts straight through the rich, buttery melt of aged Gouda and the soft sweetness of caramelized red onions. Finished with the nutty crunch of toasted walnuts and a sharp, shimmering drizzle of hot honey, the result is a complex, beautifully balanced play of sweet, savory, herbaceous, and warm spice notes in every bite.
When a savory bake relies on a single sauce to anchor every layer, the quality of your base makes all the difference. I used Don Pepino Pizza Sauce, and its rich, slow-simmered vine-ripened tomatoes gave this tart an insanely bold, authentic flavor foundation. Its natural sweetness and vibrant acidity cut through the rich Gouda and sweet kabocha squash beautifully, keeping every slice perfectly balanced. If you want a classic, quality pizza sauce that truly elevates your home cooking, check out Don Pepino or follow them on Instagram and Facebook!
Delicious Ways to Use Don Pepino Pizza Sauce Beyond Pizza
- Classic Baked Eggplant Parmigiana with Melted Mozzarella & Fresh Basil
- Shakshuka with Poached Eggs, Crumbled Feta & Warm Pita
- Smokey Tomato & White Bean Stew with Crispy Garlic Toast
- Cheesy Polenta Bake Layered with Italian Sausage & Sweet Peppers
- Rustic Meatballs in Tomato Jam with Creamy Ricotta
- Stuffed Spaghetti Squash Boats with Pancetta & Toasted Pine Nuts
- Braised Chicken Cacciatore with Kalamata Olives & Rosemary
- Savory Tomato & Herb Galette with Goat Cheese & Fresh Thyme
- Arancini (Risotto Balls) Served with Warm Tomato Dipping Sauce
Tracey’s Picks: What I used to make the tart
Baking a crisp, perfectly golden savory tart is all about having the right kitchen essentials. These are my go-to tools for bringing this recipe to life, from achieving those clean fluted edges to getting that even roast on the squash. If you’re building out your baking and prep setup, these are the tried-and-true items I rely on in my kitchen:
9-Inch Removable-Bottom Tart Pan: Essential for sliding off the outer ring effortlessly so those fluted crust edges stay intact. Click here.
Galvanized Steel Sheet Pans: My favorite for high-heat roasting—they ensure the kabocha squash caramelizes quickly without turning soggy. Click here.
Heavy-Duty Parchment Paper: Perfect for lining the crust during blind-baking and keeping cleanup seamless. Click here.
Click to find other kitchen essentials in my NYC Kitchen store.