Preheat oven to 375.
In a large sauté pan, melt butter over medium heat. Cook onions, peppers and celery for five minutes. Add garlic and seasonings and cook 3-4 minutes more. Stir in spinach and cook five minutes. Remove from the heat and set aside.
Place cream cheese in the bowl of an electric mixer. Using the paddle attachment, beat until smooth. Add sour cream, mayonnaise, milk and eggs and blend well. Add spinach mixture, cheese, hot sauce and Worcestershire sauce in the bowl, and mix until thoroughly blended.
Pour into a two-quart baking dish and cook 35-40 minutes, until bubbly. Cool slightly before serving.
Yield: 1 quart