Weird Blueberry Muffin

Note 1 : Inspired by

<https://www.spendwithpennies.com/blueberry-muffins/#wprm-recipe-container-158071>

<https://cakesbymk.com/recipe/lemon-poppy-seed-cake/#recipe>

1/2 cup (115gm) butter

1/2 cup (100gm) sugar

1/2 cup (120gm) milk

1/8 cup (30gm) lemon juice

1/4 tsp fine salt

1/2 cap vanilla essence

2 eggs

2 cups (240gm) flour

2 tsp baking powder

1 tbsp poppy seeds

2 1/4 cups (330-350gm) fresh blueberries

170°C for 30 minutes, uncovered fan top bottom heat