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Caramelized Onion and Mushroom Flatbread

Crispy flatbread topped with deeply caramelized onions, savory mushrooms, and melted cheese. The slow cooked onions develop sweet, caramel notes that pair with earthy mushrooms, creating a rich, Mediterranean-inspired appetizer or light meal.

Easy
1h 20m
4 servings
Caramelized Onion and Mushroom Flatbread

Ingredients

  • 454 g (1 lb) store-bought flatbread or pizza dough
  • 450 g (1 lb) large onions, thinly sliced
  • 340 g (12 oz) mixed mushrooms, sliced
  • 170 g (1 1/2 cups) shredded Gruyère or fontina cheese
  • •••See the full ingredient list and shop it in the app.

Method

  1. 1Heat a large skillet over medium-low heat, add 30 ml (2 tbsp) olive oil and 14 g (1 tbsp) butter.
  2. 2Add the thinly sliced onions and a pinch of salt, stir to coat. Cook the onions slowly, stirring every few minutes, for 25 to 30 minutes until deep golden and fully caramelized.
  3. 3While the onions cook, wipe the skillet clean, then clean and slice the mushrooms and mince the garlic.
  4. 4When the onions are caramelized, transfer them to a bowl and set aside.
  5. ••• Cook along hands-free with timers and step-by-step guidance in the app.