Fudgey German Chocolate Sandwich Cookies

• 2 eggs
• 300 gr sugar
• 280 gr butter
• 220 gr all purpose flour
• 200 gr pecans (finely chopped)
• 110 gr packed brown sugar (light)
• 85 gr corn syrup (light)
• 80 gr mounds sweetened coconut flakes (toasted)
• 55 gr hersheys cocoa
• 30 ml milk