Slow-cooked onions, flavored with fresh herbs and topped with Asiago cheese and walnuts, make a perfect filling for these appealing pastry appetizers.
SAVE ON THIS RECIPE!
Substitute finely shredded Gruyère cheese for Asiago cheese.
Get a head start on making these tartlets by caramelizing the onions ahead of time.
© 2014 ®/TM General Mills All Rights Reserved