Vegetable focaccia: A simple recipe with lots of vegetables

🛒 Ingredients:
🍞 500 g wheat flour (type 500)
🌾 10 g dry yeast (or 25 g fresh yeast)
💦 250 ml lukewarm water
🥄 1 tsp sugar
🧂 1 tsp salt
🫒 3 tbsp olive oil
🥕 1/2 cup finely chopped carrots
🟢 1/2 cup chopped green bell pepper
🔴 1/2 cup chopped red bell pepper
🧅 1/2 cup chives or onion