Step-by-step Sponge Cake

Preheat oven to 180°C (approximately 350°C).

Step 1:

Measure all ingredients (figure 1).

Step 2:

Grease a loaf pan with butter (figure 2).

Step 3:

Dust loaf pan with flour (figure 3). 

Step 4:

Place butter in a bowl (figure 4).

Step 5:

Beat butter with an electric hand mixer until fluffy (figure 5).

Step 6:

While beating, gradually add sugar and a pinch of salt to butter (figure 6).

Step 7 (Figure 8):

Separate the eggs.

Step 8 (Figure 7):

Gradually beat egg yolks into batter.

Step 9:

Continue beating until egg yolks are incorporated into batter.

Step 10: