Garlic Chicken Pizza

Ingredients

• 2 tablespoons red wine vinegar
• 1 1/2 tablespoons dijon mustard
• 4 cloves garlic — minced
• 1 cheese pizza crust
• 1 1/2 cups chicken breast — cooked, shredded
• 1 cup plum tomato — chopped
• 1 cup mushrooms — chopped
• 3/4 cup mozzarella cheese
• 1/4 cp feta cheese — crumbled
• 1/4 cup fresh parmesan cheese — shredded
• 1/4 cup chopped green onions