Place the baguette slices on a baking sheet. Brush with olive oil, sprinkle with salt. Bake in an oven preheated to 220 ° C until golden brown, for about 7 minutes. Remove slices of bread from the oven and cool slightly.
Cut off the top of the garlic heads. Drizzle with olive oil, wrap in foil and bake in an oven preheated to 200 ° C for 1 hour. Peel the garlic and grind in a mortar. Fry the sage leaves in olive oil until crisp.
Spread butter on chilled slices of bread. Cover with garlic paste, top with dried tomatoes. Sprinkle bruschetta with sage leaves and sea salt.