Kawaii Deco Roll Cake (Cute Decorated Swiss Roll) デコロールケーキの作り方

Ingredients: ((Egg Yolk Batter)) 1 egg yolk 35g (.) granulated sugar 20ml 25ml cooking oil 60ml water a few drops vanilla extract 80g (.) cake flour red food coloring ((Pattern)) 1/2 tsp. cake flour for each color red food coloring black food coloring 1 egg white a pinch of cornstarch ((Base Batter)) 4 egg whites 30g (.) granulated sugar 1 tsp. cornstarch ((Syrup)) 2/3 tbsp. granulated sugar 20ml hot water 1/2 tbsp. fruit liquor *optional ((Filling)) 150ml heavy whipping cream (fresh cream) *chilled 1 tbsp. granulated sugar 1 tsp. fruit liquor *optional 9 fresh strawberries Directions: ((Preparation)) 1. Cut the silicone baking sheet to fit the size of your square cake pan. 2. Place a paper stencil of your choice under the silicone baking sheet. 3. Grease the silicone baking sheet with cooking oil so that the pattern won’t stick to the sheet. ((Egg Yolk Batter)) 1. In a bowl, place