Caramel Pecan Streusel Coffee Cake

• Streusel & Filling
• 1 3/4 cups granulated sugar
• 1/2 teaspoon kosher salt
• 1 cup flour
• 1 cup rolled oats ( not instant)
• 1 1/2 teaspoons ground cinnamon
• 12 tablespoons unsalted butter, room temperature
• 1/2 cup sea salt caramel chips
• 1 cup brown sugar
• 3/4 cup chopped pecans
• 3 tablespoons dark cocoa powder
• 1 teaspoon ground cinnamon
• 1 teaspoon freshly grated nutmeg
• 1/2 teaspoon kosher salt
• 1/2 cup sea salt caramel chips
• Cake
• 12 tablespoons unsalted butter, room temperature
• 1 1/2 cups granulated sugar
• 1/3 cup brown sugar
• 1 tablespoon pure vanilla extract
• 3 eggs
• 3 3/4 cups flour
• 2 1/2 teaspoons baking powder
• 1 1/4 teaspoons kosher salt
• 1 1/4 cups buttermilk
• 3/4 cup sour cream
• 1 cup sea salt caramel chips

1. Preheat oven to 350u0b0 F.
2. Spray a 9"x13" baking pan,with non-stick cooking spray. Line pan with a sheet of parchment paper (leaving long edges for easy removal later) and spray parchment paper.
3. For StreuselrnWhisk the first 5 ingredients together in a medium bowl until combined. Place into a food processor bowl and add butter. Pulse mixture until moist and has texture of pebbles. Stir in caramel chips. Alternately: cut the butter into small bits, add to bowl, and use your fingers to mix. Set aside.
4. For Filling:rn Whisk brown sugar and the next 6 ingredients together in a small bowl until combined. Set aside.
5. For Cake:rnUsing a mixer (stand or hand), beat the butter and sugars together in a large bowl until they are well-combined, 3-4 minutes. Beat in the vanilla and one egg at a time until light and fluffy.
6. In a medium bowl whisk the flour, baking powder, and salt together, set asidernMeasure buttermilk into a glass measuring cup and add sour cream, stir until blended. and set aside.
7. Beat the dry mixture into the butter sugar mixture in thirds, alternating with the wet mixture, until just combined. Gently fold in the salted caramel chips.
8. Scoop half of the batter into the prepared pan and smooth evenly. rnScatter the filling mixture evenly over the batter.
9. Add the remaining batter on top of the filling in dollops, then using an off-set spatula or knife, gently spread it over the filling. Run a skewer, through the batter a few times to swirl the filling a bit. rnScatter the streusel over the top of the entire cake.
10. Place pan into the preheated oven and bake for 60 minutes, or until the streusel is golden and a toothpick or skewer inserted in the center should come out clean.
11. Allow to cool for 30 minutes before cutting,using the parchment paper "handles" to lift it from the pan.rn Store completely cooled cake wrapped, at cool room temperature.

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Taken from food52.com/recipes/67230-caramel-pecan-streusel-coffee-cake (may not work)