Caramelised Onion and Egg Tarts

Source: Taste

French Onion Tart

Source: The Capital Barbie

Bacon and Caramelized Onion Tart

Source: Creative Culinary

Onion Tart

Source: Blue Jean Gourmet

This caramelized onion tart will make a great appetizer  by caramelized the onion that really bring out the sweetness and flavor. Definitely a delightful addition to the table, good even had it as a main dish.

Martha Stewart's Caramelised Onion Tart

Image and recipe via Martha stewart

Bacon and Onion Tart

Image via Eatzy Bitzy

Caramelized Onion and Apple Mini Tarts

Image and recipe via www.lolfoodie.com