Step 1

Turn on broiler to high with oven rack in top position. Combine artichoke hearts, crabmeat, parsley, yogurt, mozzarella, Parmesan, lemon zest and juice, garlic, and black pepper in a large bowl; stir well to combine.

Step 2

Spread about 2 tablespoons crab mixture on each baguette slice. Place on a baking sheet lined with aluminum foil. Broil until cheese begins to melt, 3 to 4 minutes (be careful not to burn toasts).