Salted Caramel Sheet Cake - Master recipes

Ingredients

• 1 c. butter, softened -
• 1 c. packed dark brown sugar -
• 1/2 c. granulated sugar -
• 2 large eggs, at room temperature -
• 2 tsp. pure vanilla extract -
• 1/2 c. plain yogurt -
• 2 1/4 c. all-purpose flour, plus more for flouring pan -
• 1 tsp. baking soda -
• 1/2 tsp. kosher salt -
• 1 c. whole milk -
• 1/2 c. butter -
• 6 tbsp. whole milk, divided -
• 3 c. sifted powdered sugar -
• 1 tsp. pure vanilla extract -
• 1/4 tsp. kosher salt -
• Salted caramel sauce -
• Heath Bits 'o Brickle Toffee Bits -
• Sea salt, for sprinkling on top -