Hot tidbits warm up a casual gathering. Make these melt-in-your-mouth appetizers ahead and you'll have more time to enjoy them.
Finely shredded Monterey Jack cheese can be used for the feta cheese.
Cover and refrigerate unbaked triangles up to 24 hours before baking; bake as directed. Or freeze tightly covered up to 2 months; increase bake time by 5 minutes.