Sourdough focaccia | Bake the Click

Ingredients

• 430 gr bread flour
• 70 gr whole wheat flour
• 100 gr active sourdough starter
• 380 ml lukewarm water
• 3-4 tbsp extra virgin olive oil (plus extra for drizzling)
• ½ tsp sea salt
• 1 sliced onion
• 1 tomato into cubes
• Rosemary leaves
• Flaky sea salt for sprinkling