Drizzle bread slices with olive oil. Place on a baking sheet and toast in oven until golden brown, about 10 minutes.
Step 3
Preheat broiler. Place scallions and pepper on a baking sheet and place under broiler; broil until tender and browned.
Step 4
Place radishes, shallots, and butter in a medium bowl; mix well using a fork; spread mixture on toasted bread. Using a fork, slightly break up sardines. Divide sardines evenly between toasts and top with broiled vegetables, sundried tomatoes, and dill. Serve.