Preheat oven to 400 degrees
Peel loose paper off garlic and leave the head itself intact with all cloves connected
Trim 1/4 inch off top of head of garlic to expose cloves
Drizzle 1 teaspoon olive oil over exposed surface of garlic, so it sinks down into the cloves
Wrap in foil and bake for 40 minutes
In large skillet over medium heat, toss roasted garlic, onion, zucchini in 1 teaspoon olive oil
Remove from pan
Reduce heat, add butter, cream cheese, parmigiana, cream and incorporate, simmering (don't boil or it will separate)
Add veggies back, toss and serve