Eggless Chocolate Cake In Microwave

• 1 cup (140 g) All-Purpose Flour
• 1/4 cup (30 g) Cocoa Powder
• 1 tsp (4 g) Baking Powder
• 1/4 tsp (1 g) Baking Soda
• 1/8 tsp (pinch) Salt
• 1/2 cup (100 g) Granulated Sugar
• 1 ½ cup (360 ml) Buttermilk, warm
• 1/4 cup (60 ml) Vegetable Oil

Chocolate Glaze

• 1/4 cup (30 g) unsweetened Cocoa Powder
• 2 tbsp (15 g) Cornstarch
• 2 tbsp (30 ml) water
• 1 ½ cup (360 ml) Milk
• 1/2 cup (100 g) Granulated Sugar
• 1 tbsp (14 g) Unsalted butter