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