Grand Marnier Pound Cake

• 5 eggs
• 1 orange zest (grated)
• 1/4 grand marnier
• 375 gr sugar
• 375 gr chocolate mini-chips
• 250 gr all purpose flour
• 130 gr butter (unsalted)
• 60 gr squeezed orange (freshly)
• 60 ml grand marnier liqueur
• 5 gr baking powder