Preheat oven to 375 degree
Melt butter over medium high heat
Meanwhile thinly slice 2 medium/large yellow onions
Cook approximately 10 minutes and then add your salt
Continue to cook about another 15-20 minutes until onions are translucent and lightly browned
Add your balsamic vinegar during the last couple minutes of cooking
Remove onions from heat and cool slightly
In small bowl combine softened cream cheese, garlic, olive oil, and onion powder
Combine until you have a softened smooth consistency
Spread cream cheese mixture on top of prepared pizza crust of choice
Top with caramelized onions, mozzarella cheese, and red chili pepper flakes
Bake in preheated oven about 15 minutes until bubbly and golden brown