Preheat the Oven: Preheat your oven to 390°F (200°C).
Melt Butter: Melt the butter and let it cool.
4 tbsp butter
Prepare Lemon: Zest and juice half a lemon.
Mix Wet Ingredients: Combine egg, salt, vanilla extract, sugar, and honey in a bowl; mix until smooth.
1 medium egg, 1/8 tsp salt, 1/2 tsp vanilla extract, 1.5 oz sugar, 1 tsp honey
Add Lemon: Mix in the lemon zest and 2 teaspoons of lemon juice.
lemon zest, 2 tsp lemon juice
Add Dry Ingredients: Sift in flour and baking powder; mix until fully incorporated.
2 oz cake flour, 1/4 tsp baking powder
Incorporate Butter: Add the cooled, melted butter to the batter and stir until smooth.
Prepare Pan: Grease the madeleine molds with butter; dust with flour if not using a non-stick pan.
Fill Molds: Pour the batter into the molds, filling them about 3/4 full.
Bake: Place the pan in the oven, reduce the temperature to 360°F (180°C), and bake for 9-10 minutes until the edges are golden brown and the tops set.
Cool: Let the madeleines cool in the pan for a few minutes before removing.
Make Glaze: Whisk powdered sugar with 2 teaspoons of lemon juice until smooth; adjust consistency if needed.
1/3 cup powdered sugar, 2 tsp lemon juice
Glaze Madeleines: Dip or brush the madeleines with the glaze; let the glaze set.
Serve.