Pumpkin Cake Three Rivers

• 3 eggs (lightly beaten)
• 1 box cake mix reserve (yellow)
• 1 stick butter
• 1 egg (lightly beaten)
• 1 up the sides of the (pan)
• 3/4 cake mix
• 230 gr nuts (chopped optional)
• 160 ml evaporated milk
• 150 gr sugar (white)
• 110 gr brown sugar