Leaks & Onions Stuffed Waffle – Wonderffle

Ingredients

• 2 cups all-purpose flour
• 2 tbsp sugar
• 1 tbsp baking powder
• ½ tsp salt
• 1 ¾ cups milk
• ⅓ cup vegetable oil
• 2 large eggs
• 1 tsp vanilla extract
• 2 cups leeks, thinly sliced
• 1 large onion, thinly sliced
• 1 tbsp garlic, minced
• 1 tsp salt
• 1 tsp black pepper