Preheat oven to 350℉. Generously grease bundt pan (or loaf pans). Lightly flour pan. Tap out excess flour. Set aside.
In a large bowl, whisk together all-purpose flour, almond flour, salt, baking powder, and baking soda. Set side.
In the bowl of stand mixer fitted with a paddle attachment, cream butter. Add sugar, vanilla extract, and almond extract. Mix until smooth and fully incorporated. Scrape down bowl as needed to ensure thorough mixing.
Add eggs one at a time, making sure each egg is incorporated before adding the next. Mix on medium speed until well combined.
Alternate adding dry flour mixture and sour cream. Add a third of dry flour mixture. Mix on low speed until almost combined. Add half of sour cream. Mix until almost combined. Repeat and end with third of dry flour mixture. Mix until there are no longer any dry streaks of flour.
Transfer batter to prepared cake pan. Level batter. Bake for 60-65 minutes until toothpick inserted in center of cake comes out clean. Let cake sit in pan for about 10 minutes minutes to cool slightly. Unmold cake. Cool to room temperature on wire rack. *Alternatively, evenly divide batter between two loaf pans (about 730g batter per loaf pan). Spread batter into an even layer. Bake for about 55-60 minutes.