Mix yogurt and sugar until smooth
Add oil, milk, and vanilla extract; mix well
Add dry ingredients (flour, baking powder, baking soda, salt); mix gently
Bake at 350°F (175°C) for 30–35 minutes
For chocolate variant: Add cocoa powder to dry ingredients
For lemon variant: Add lemon juice and zest with wet ingredients
For red velvet variant: Add vinegar and red food color with wet ingredients
