- Preheat oven to 200 C. 
- Cover a baking tray with parchment paper. 
- Prepare the pesto sauce: Add all the pesto ingredients to the food processor. Blend until smooth and set aside. 
- Heat a skillet on medium heat. 
- Add oil, garlic clove, one tarragon spring, and mushrooms. 
- Sautee for about 2 minutes, add wine and sautee 3 more minutes. Discard the garlic clove and set aside. 
- Lay the pizza dough on the already prepared baking tray. 
- Brush it with olive oil and cover with a generous layer of pesto. 
- Add the olives, sun-dried tomatoes, and sauteed mushrooms. Sprinkle with oregano and basil. 
- Cook for about 20 minutes or until the edges are golden. 
- Top with fresh chives and serve. Bon appetit!