How to Make It
Heat oven to 400° F. Place the baguette slices on a baking sheet and brush both sides of the bread with the oil. Bake until golden brown, 4 to 5 minutes per side
In a medium bowl, combine the shrimp, mayonnaise, tarragon, and lemon juice; season with ¼ teaspoon each salt and pepper.
Dividing evenly, top the toasted baguette slices with the shrimp mixture.