Latvian Braided Birthday Cake (Klingeris)

Ingredients

• 2 cups light cream, at room temperature
• 6 tbsp. plus ¾ cup sugar, divided
• 2 ¹⁄₂ tsp. instant (not active dry) yeast
• 5 large eggs (divided)
• 7 ¹⁄₃ cups all-purpose flour, plus more for dusting
• 1 tbsp. kosher salt
• 1 ¹⁄₂ lb. assorted dried fruit (prunes, tart cherries, or raisins)
• 1 ³⁄₄ oz. candied ginger, finely chopped (1/3 cup)
• Butter or lard, for greasing
• 1 ¹⁄₂ tsp. ground cinnamon
• 1 tsp. ground cardamom
• 1 ¹⁄₃ cups sweetened condensed milk
• Powdered sugar, for dusting