Lemon-poppy Bundt Cake

• 3 eggs
• 3/4 lemon zest divided (grated)
• 450 ml container sour cream
• 375 gr cake flour
• 270 gr granulated sugar
• 200 gr confectioners sugar
• 30 ml lemon juice divided
• 18 gr poppy seeds
• 14 gr butter
• 9 gr baking powder