Spicy Olive Ciabatta

Ingredients

• Poolish

  • 1 cup (250 ml) warm water
  • 1 1/2 cups (225 g) unbleached all-purpose flour
  • 1 tsp instant yeast

• Dough

  • 1 cup (250 ml) warm water
  • 2 cups (300 g) unbleached all-purpose flour
  • 1 1/2 tsp salt

• Filling

  • 1/3 cup (55 g) pitted green olives, coarsely chopped
  • 1/3 cup (55 g) pitted kalamata olives, coarsely chopped
  • 1/4 cup (60 ml) olive oil
  • 2 tbsp (30 ml) whole-grain mustard
  • 1/2 tsp red pepper flakes
  • 1/2 tsp ground fennel seeds
  • 1 garlic clove, grated