Which dish is typically made with spinach and cream cheese and is often served as an appetizer?

The dish that is typically made with spinach and cream cheese and often served as an appetizer is Chicago Spinach Dip. This dip features a creamy base, prominently including cream cheese, combined with cooked spinach and often additional ingredients like cheeses and spices. It is a popular choice in various dining settings, known for its rich flavor and pleasing texture.

In contrast, stuffed mushrooms may include spinach as an ingredient but do not typically focus on cream cheese as the main component. Vegetable lasagna is primarily a main course that layers pasta with a variety of vegetables, cheese, and sauce rather than specifically showcasing spinach and cream cheese. Garlic bread is a side dish made from bread and garlic butter, which does not correlate with spinach or cream cheese. Thus, Chicago Spinach Dip best fits the description given in the question.