"Ingredients and step-by-step recipe for Heirloom Tomato Tart with Caramelized Onions and Gruyere. Find more gourmet recipes and meal ideas at The Fresh Market today!..."
INGREDIENTS
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1 sheet puff pastry
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1 tbsp extra virgin olive oil, plus more for serving
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2 heaping c vidalia onion (from 1 lg or 2 small), ends removed, halved root to stem, peeled and sliced
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Kosher salt
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1 egg yolk
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1 tbsp milk
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½ c The Fresh Market 6 Months Semsales Gruyere, grated, plus more for serving
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1 tbsp fresh thyme, divided
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3 small or 2 large (about ½ lb) Lakeside Produce heirloom tomatoes, sliced ¼-in thick