How to Make It
Preheat oven to 375°. Arrange bread slices in a single layer on a rimmed baking sheet; brush top of each slice with olive oil. Bake 8 to 10 minutes or until toasted.
Mash avocado in a medium bowl using the back of a fork. Add garlic, shallot, 1/2 tablespoon lime juice, and 1/2 teaspoon salt; stir well to combine.
Combine crabmeat, red pepper, and remaining 1 tablespoon lime juice in a medium bowl; toss gently to combine.
Spread avocado mixture evenly over toasts. Top evenly with crab mixture; sprinkle evenly with remaining 1/2 teaspoon salt.