01 - Preheat oven to 375°F.
02 - In a large mixing bowl, combine cream cheese, sour cream, and mayonnaise. Mix until smooth and creamy.
03 - Stir in mozzarella, Parmesan, garlic, salt, pepper, and red pepper flakes.
04 - Fold in chopped spinach and artichoke hearts until evenly distributed.
05 - Transfer mixture to a medium oven-safe baking dish and spread evenly.
06 - Bake for 20–25 minutes, until the dip is hot and bubbling with a golden top.
07 - While the dip bakes, arrange baguette slices on a baking sheet. Brush both sides lightly with olive oil.
08 - Toast baguette slices in the oven for 7–10 minutes, turning once, until golden and crisp.
09 - Serve the hot dip immediately with toasted baguette slices.