Independence Day Chocolate Cake

• 2 eggs
• 1 jelly roll (pan)
• 3/4 frosting
• 1/2 frosting to tint desired shade of blue
• 450 ml creamy vanilla frosting
• 325 ml buttermilk
• 300 gr strawberries (fresh cut into pieces)
• 300 gr sugar
• 250 gr all purpose flour
• 130 gr shortening