Step 1
In a pot of boiling, salted water, cook pasta for about 8 minutes or until just al dente.
Step 2
Drain and return to pot over low heat.
Step 3
Add spinach, cheese, cream cheese and garlic; stir until almost melted. Stir in yogurt and pepper until smooth.
Step 4
Garnish with hot sauce, if desired, and a few leaves of fresh spinach. Serve immediately.