10 Easy Holiday Sides Ready in 30 Minutes or Less

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French Onion Tarte Tartin

This rustic onion tarte tatin is both simple and charming, making it an ideal dish for entertaining or indulging in a touch of French-inspired comfort food.This quick and impressive dish is perfect for dinner parties or a cozy appetizer, delivering rich, earthy flavors with a touch of elegance—all in under 30 minutes!

Ingredients (for 4-6 servings):

• 4 medium red or yellow onions, peeled and sliced into thick rounds
• 2 tbsp olive oil
• 2 tbsp unsalted butter
• 2 tbsp balsamic vinegar
• 1 tbsp granulated sugar
• 1 tsp fresh thyme leaves (or ½ tsp dried thyme)
• 1 sheet store-bought puff pastry, thawed
• ½ tsp salt
• ¼ tsp black pepper

Instructions:

1. Preheat your oven to 400°F (200°C).
2. Heat olive oil and butter in an oven-safe skillet (10-inch) over medium heat. Add onion slices in a single layer and cook for 5-7 min., flipping once, until they begin to soften and caramelize.
3. Sprinkle the sugar over the onions, drizzle with balsamic vinegar, and season with salt, pepper, and thyme. Cook for an additional 2-3 min., stirring gently to coat the onions evenly in the balsamic caramel. Remove from heat.
4. Roll out the puff pastry slightly to ensure it covers the skillet. Lay the pastry over the onions, tucking the edges gently around the sides of the skillet.
5. Transfer the skillet to the oven and bake for 15-18 min., or until the pastry is puffed and golden brown.
6. Let the skillet cool for 2-3 min., then carefully place a large plate or serving platter over the skillet. Holding them together firmly, flip the skillet to invert the tarte tatin onto the plate.
7. Garnish with additional thyme if desired and serve warm as an appetizer or a light entrée.