Preheat oven to 350°F (175°C). Grease and line an 8-inch cake pan.

Mix Wet Ingredients. In a bowl, whisk: eggs, sugar, yogurt, oil and vanilla until smooth and creamy.

Mix Dry Ingredients In another bowl, combine: flour, baking powder and salt.

Add dry ingredients into wet mixture. Mix gently until just combined (do not overmix).

Add Blueberries: Coat blueberries with 1 tbsp flour. Fold gently into the batter.

Pour batter into the pan. Bake for 35–40 minutes until golden and a toothpick comes out clean.

Let it cool completely before slicing.