30-Minute Caramelized Onion Tart That Tastes Heavenly
A savory caramelized onion tart with a flaky crust and rich, sweet onion filling.
- Time: 70 min
- Servings: 6
Source: Recipe Kitchen Hub
Ingredients
- large onions, thinly sliced
- butter
- olive oil
- sugar
- salt
- sheet puff pastry, thawed
- grated cheese
- egg, beaten