• 

  unsalted butter diced, plus extra to grease

  4 oz
• 

  dark brown sugar

  7 oz
• 

  ripe bananas in pieces

  7 oz
• 

  buttermilk

  2 oz
• 

  large eggs

  2
• 

  vanilla extract

  1 tsp
• 

  all-purpose flour

  7 oz
• 

  baking soda

  1 tsp
• 

  salt

  ½ tsp
• 

  chopped pecans

  3 oz

Caramel Sauce

• 

  sugar

  9 oz
• 

  heavy whipping cream divided

  7 oz
• 

  water divided

  36 oz
• 

  unsalted butter divided, 1 oz cold, in 1 cube (1 in.) and 0.5 oz room temperature

  1 ½ oz
• 

  lemon juice

  1 tsp
• 

  vinegar

  1 tbsp
• 

  chopped pecans to garnish