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I first created this recipe during a particularly brutal January when I was craving something nourishing yet exciting. My farmer's market was bursting with gorgeous varieties of winter squash, and I couldn't resist bringing home an armful of different shapes and colors. After roasting them with herbs from my garden, I tossed them with baby spinach while still warm, watching the greens wilt just slightly under the heat.
The real star here is the garlic dressing—robust enough to stand up to the sweet squash but balanced with bright lemon and earthy tahini. It's become my go-to winter salad, perfect for everything from casual weeknight dinners to elegant dinner parties. The colors alone will brighten even the gloomiest winter day, but it's the combination of textures and flavors that keeps everyone coming back for more.
Why This Recipe Works
- Perfect Temperature Contrast: Warm roasted squash gently wilts the spinach, creating an ideal texture that's neither too raw nor too cooked
- Complex Flavor Profile: Sweet squash, earthy spinach, and pungent garlic create a harmonious balance that satisfies every taste bud
- Make-Ahead Friendly: Components can be prepped separately and assembled just before serving for stress-free entertaining
- Nutritional Powerhouse: Packed with vitamins A and C, iron, and fiber—this salad is as healthy as it is delicious
- Seasonal Flexibility: Works with any winter squash variety and adapts to whatever greens are freshest
- Restaurant-Quality Presentation: The vibrant colors and caramelized squash edges make this salad look like it came from a professional kitchen
- Customizable Protein: Easily transform from side dish to main course with the addition of chickpeas, nuts, or your favorite protein
Ingredients You'll Need
The beauty of this salad lies in its simplicity—just a handful of carefully chosen ingredients that each bring something special to the table. When shopping, look for squash that feels heavy for its size with no soft spots or cracks. The skin should be matte, not shiny, which indicates it's fully matured and will roast beautifully.
Winter Squash: I love using a mix of varieties for visual appeal and flavor complexity. Butternut provides sweet, nutty flesh while delicata offers edible skin and a creamy texture. Acorn squash brings a slightly savory note, and kabocha delivers intense sweetness. If you can only find one type, butternut is the most reliable choice with its consistent flavor and easy prep.
Fresh Spinach: Baby spinach works best here—its tender leaves wilt slightly from the warm squash without becoming mushy. Look for bright green leaves without any yellowing or slimy spots. Organic spinach typically has better flavor and texture. If you have access to local greenhouse spinach in winter, it will be far superior to supermarket options.
Garlic: Fresh garlic is absolutely essential for the dressing. Skip the pre-minced jarred stuff—it simply won't deliver the same punch. I prefer using a garlic press for the dressing to ensure the flavor distributes evenly throughout the emulsion.
Tahini: This sesame paste adds body and richness to the dressing while keeping it plant-based. Choose a well-stirred, fresh tahini with no added ingredients. The best tahini should taste nutty and slightly sweet, never bitter.
Lemon: Both the zest and juice brighten the dressing and balance the richness of the tahini and roasted vegetables. Organic lemons are worth seeking out since you'll be using the zest.
How to Make Warm Roasted Winter Squash and Spinach Salad with Garlic Dressing
Prep and Cut the Squash
Preheat your oven to 425°F (220°C). Using a sharp chef's knife, carefully cut your squash varieties in half lengthwise. Scoop out the seeds using a sturdy spoon (save them for roasting if you like!). For butternut squash, peel with a vegetable peeler first. Cut into 1-inch cubes or half-moons for delicata. The key is uniform sizing so everything roasts evenly. Place the cut pieces in a large bowl as you work.
Season and Roast
Drizzle 3 tablespoons of good olive oil over your squash pieces. Add 1 teaspoon salt, 1/2 teaspoon black pepper, and 1 teaspoon dried thyme. Toss everything together with your hands, ensuring each piece is well-coated. Line two baking sheets with parchment paper for easy cleanup. Spread the squash in a single layer, making sure pieces aren't touching—this is crucial for proper caramelization. Roast for 25-30 minutes, rotating pans halfway through, until the edges are golden-brown and the flesh is tender when pierced with a fork.
Prepare the Garlic Dressing
While the squash roasts, make your dressing. In a small bowl, whisk together 2 tablespoons tahini, 2 tablespoons warm water, 2 tablespoons fresh lemon juice, 1 tablespoon lemon zest, 2 cloves garlic (pressed), 1 tablespoon maple syrup, and 1/2 teaspoon salt. The warm water helps the tahini emulsify smoothly. If it's too thick, add water a teaspoon at a time until you reach a pourable consistency. It should coat a spoon but still flow easily.
Toast the Nuts
In a dry skillet over medium heat, toast 1/2 cup of pecans or walnuts for 3-4 minutes until fragrant. Keep them moving constantly—they can burn quickly! Once you smell their nutty aroma and see slight darkening, immediately transfer to a plate to cool. Roughly chop once cool enough to handle. This step adds incredible depth and crunch to your finished salad.
Assemble the Base
Place 6 cups of baby spinach in your largest serving bowl. The key is using a bowl that's much larger than you think you need—this makes tossing everything together much easier. Add 1/4 cup thinly sliced red onion for sharpness and color contrast. If you're meal-prepping, keep the components separate until just before serving to maintain optimal texture.
Combine Warm and Cold Elements
Remove the squash from the oven and let it cool for exactly 5 minutes. You want it warm enough to slightly wilt the spinach but not so hot that it turns the greens mushy. Using a spatula, carefully transfer the warm squash directly over the spinach in the bowl. The gentle heat will soften the leaves just enough while maintaining their structure and bright color.
