Gluten free breakfast pizza

Name: Gluten free breakfast pizza
Prep time: 15 min
Cook time: 1 h 20 min
Total time: 1 h 20 min
Yield: 4 portions
Ingredients: 100 g brown rice; 100 g glutinous rice; 50 g potato starch; 30 g gluten free cornflour; 1 tsp xanthan gum; 1 - 2 tsp salt; 1 tbsp white vinegar; olive oil; 180 g warm water; 20 g white sugar; 2 tsp dried instant yeast; 250 g sun-dried tomatoes; 100 g olive oil; 1 garlic clove; 1 sprig fresh basil; 1 tsp dried oregano; 4 eggs; 130 g bocconcini; 8 cherry tomatoes; salt; ground black pepper; 40 g fresh baby spinach leaves; Worcestershire sauce