Sweet Potato and Feta Pizza

INGREDIENTS

• ¾ cup Warm Water
• 2¼ teaspoons yeast
• ¼ cup honey
• 1 teaspoon salt
• 2 tablespoons sunflower oil
• 1½- 2 cups Whole Wheat Pastry Flour or unbleached all purpose flour
• 1 medium sweet potato
• 2 purple potatoes (if using)
• 1 tablespoon olive oil
• pinch of salt
• 2 tablespoons butter
• 1 clove garlic
• 2 teaspoons dried rosemary
• ¾ cup feta