Gooey Turtle Brownie Sticky Buns

Ingredients

Bun Ingredients:
• 1/4 cup warm water (100-110 degrees F)
• 1 package (2 1/4 teaspoons) active dry yeast
• 2 tablespoons white vinegar
• 2 cups milk minus 2 tablespoons, room temperature
• 5 cups flour
• 3 tablespoons sugar
• 1 teaspoon salt
• 1 teaspoon baking soda
• 1 teaspoon baking powder
• 2/3 cup cold shortening (I use butter flavored Crisco)
• 2 tablespoons butter, melted, for after baking
Half-Batch Filling Ingredients:
• (or try your own favorite brownie batter scaled for a 9 x 13-inch pan, provided it’s a pretty thick batter)
• 1 cup butter, melted
• 1 cup unsweetened cocoa
• 1 1/2 cups sugar
• 4 eggs
• 1 1/2 teaspoon vanilla
• 1 cup flour
• 1/2 teaspoon salt
• bittersweet chocolate chips
• caramel sauce
• 1 cup toasted pecans*
Glaze Ingredients:
• melted chocolate chips
• caramel sauce
• toasted pecans