Mom's Traditional Protuguese Sweet Bread

Ingredients

• 6 pkgs traditional yeast
• 1 cup warm water
• 1 tbsp sugar
• 3 dozen eggs
• 1 kg graulated sugar
• grated lemon peel from 2 lemons
• 2 oz clear liquor (rum, brandy, vodka)
• 1 lb butter
• 1/2 lb lard
• 3 kgs all purpose flour
• 1 tbsp salt
• 1 lb butter room temperature (for kneading, greasing and wiping)