Step 1

Preheat the oven to 375° F (190° C). Line baker's half baking sheet (about 16.5 x 11.5 inches) with parchment paper.

Step 2

In a small bowl, mix matcha powder with 1 tablespoon hot water until smooth.

Step 3

Separate egg yolks and egg whites. (Tip: Make sure there's absolutely no trace of egg yolk in egg whites, or it won't whip into fluffy white stiff peaks.)

Step 4

In a separate medium bowl, whisk the egg yolks and ¼ cup of sugar until pale and tripled in size, about 2 minutes.

Step 5

Mix in the matcha paste.

Step 6

In a mixing bowl with whisk attachment, beat the egg whites on medium speed until frothy. Add remaining ¼ cup of sugar one tablespoon at a time. Increase the speed to medium high and continue to beat until stiff peaks form.

Step 7

Add half of whipped egg whites into the egg yolk mixture. Gently fold the batter with a spatula until almost smooth, and then add the remaining whipped egg whites. Carefully fold the batter until smooth.

Step 8

Sift in the cake flour and salt. Gently fold it until the flour is fully incorporated.

Step 9

Pour the batter into the prepared baking pan. Using an offset spatula, spread the batter evenly and smooth the surface.

Step 10

Bake for 8-10 minutes, or until inserted toothpick comes out clean.

Step 11

Meanwhile, lay a clean kitchen towel on the counter and generously dust with powdered sugar.

Step 12

Once the cake is out of oven, immediately invert it on the prepared kitchen towel. Peel off the parchment paper and roll it with the towel and all. (This helps the cake roll without cracking by creating a muscle memory.) Set the rolled cake on a cooling rack and cool completely.

Step 13

In a mixing bowl with a whisk attachment, beat heavy cream on low speed until frothy.

Step 14

Add sugar and continue to whip on medium speed until hard peaks form. Refrigerate until ready to use.

Step 15

Once cooled completely, unroll the cake and spread half of the whipped cream over the cake and sprinkle chopped strawberries.

Step 16

Then spread the remaining whipped cream over the strawberries and roll the cake into a log.

Step 17

Dust with powdered sugar and serve! Refrigerate the cake, covered, if not serving right away.