Add <quantity>⅓<unit>cup</unit></quantity> of heavy cream and <quantity>2½<unit>tsp</unit></quantity> of matcha powder to a small saucepan. Mix it over low heat until the matcha is dissolved

Melt <quantity>1<unit>cup</unit></quantity> of white chocolate over a double boiler

Add the matcha mixture to the melted white chocolate while still hot, whisking until homogeneous

Add <quantity>1<unit>tbsp</unit></quantity> of room temperature butter and whisk to combine. Blend with hand blender until smooth

Transfer to a bowl or container, cover, and let cool. The matcha ganache is ready

Grease the ring molds with baking spray and create a base by wrapping the bottom of the mold in aluminum foil and parchment paper. Line the interior of the mold with more parchment paper and set aside

Fill a pot with water and bring it to a simmer over low heat

Place a bowl on top of the pot and add <quantity>250<unit>g</unit></quantity> of dark chocolate chips. Stir until it starts to melt

Add <quantity>220<unit>g</unit></quantity> of butter and mix until both ingredients are fully melted and combined. Set aside

Crack <quantity>5</quantity> large eggs into a bowl and whisk to combine

Add the beaten eggs and <quantity>4</quantity> egg yolks to the bowl of a stand mixer with a whisk attachment

Start whisking at medium speed while gradually adding <quantity>70<unit>g</unit></quantity> of sugar. Whisk until fluffy and pale yellow

Gradually add the melted chocolate mixture while whisking. Continue until it is homogeneous

Add <quantity>30<unit>g</unit></quantity> of cornstarch and gently mix with a spatula

Transfer the batter to a piping bag

Fill each ring mold with the chocolate batter until 3/4 full. Save ⅙ of the batter for later use

Roll the Matcha Ganache into 1 tbsp balls. Top each ring mold with one ball

Cover each ganache ball with more chocolate batter

Transfer the ring molds to a refrigerator for 30m to chill

Preheat the oven to <temperature>180<unit>°C</unit></temperature>

Bake the chocolate batter for 8m until it rises. The chocolate fondant with matcha ganache is ready

Dust with some matcha powder, pair it with fresh berries and enjoy!