Mandarin Orange Poke Cake

• 1 egg
• 450 gr mandarin oranges in syrup (light)
• 200 gr sugar
• 170 gr brown sugar
• 130 gr all purpose flour
• 65 gr pecans (chopped)
• 45 ml milk
• 45 gr butter
• 5 gr baking soda
• 4 gr vanilla extract