1. Preheat oven to 400°. Sauté garlic and next 3 ingredients in a lightly greased medium skillet over medium heat 1 minute or until fragrant.
2. Combine garlic mixture, beans, salt, pepper, and 3/4 cup mayonnaise in a food processor. Process 15 to 20 seconds until smooth, stopping to scrape down sides as needed.
3. Arrange bread slices in a single layer on a baking sheet. Spread 1 side of each bread slice with remaining 1/4 cup mayonnaise.
4. Bake at 400° for 8 to 10 minutes or until toasted. Serve with bean dip.