Over medium heat, add balsamic vinegar into a small saucepan. Heat until vinegar boils, then reduce heat a simmer. Stir occasionally to avoid scorching. Simmer for 10-13 minutes, until vinegar has reduced by at least half and consistency is that of syrup. Set aside.
Place prepared strawberries in a large bowl. Add honey and 2 tablespoons of prepared balsamic reduction to strawberries and mix to combine ingredients.
Transfer berries to a parchment lined baking sheet. Arrange in an even layer. Bake berries for 25-30 minutes. When done, set aside and allow to cool slightly.
Line bread slices on baking sheet and drizzle with olive oil. Bake in oven at 275 degrees F for about 8 minutes. Remove from oven, add mozzarella to each slice and place in oven for another few minutes. Remove from oven, add strawberries and drizzle with balsamic reduction. Garnish with basil.