Grease muffin tin. Rinse, trim and dice vegetables very finely. Chop the roast meat.
Mix flour, vegetables, herbs, meat, spices, baking powder and baking soda. Whisk egg and mix with yogurt and butter, add the flour mixture and quickly stir until the dry ingredients are moist.
Pour batter into the wells of the muffin tin. Bake in preheated oven at 180°C (approximately 350°F) for about 25-30 minutes.
Remove and let cool for 5 minutes and serve.