Preheat the oven to 400 degrees F. Grease two 4-inch ramekins with cooking spray and set them aside.
Fill a small saucepan with a few inches of water. Nestle a heatproof bowl atop the saucepan and turn the heat to medium-high. To the bowl, add the chocolate and butter. When melted, mix until combined. Remove from the heat and set aside.
Meanwhile, to a medium bowl, whisk together the almond flour, powdered sugar, cocoa powder, pinch of salt, egg yolks, eggs and food coloring. Whisk until combined. Pour in the warm chocolate butter mixture and whisk until smooth.
Divide amongst between the ramekins and place them on a baking sheet. Transfer them to the oven to bake for 15 minutes, rotating them at the 7 minute, to ensure even baking.
Remove them from the oven and set aside.
To Make the Whipped Cream:
Using a stand-up mixer with the whisk attachment or a bowl with an electric hand-mixer, add the sour cream and powdered sugar. Beat until smooth. Pour in the heavy cream and whip until medium peaks form, about 2 minutes.
To Serve the Lava Cakes:
Run a sharp knife alongside the outside of the lava cakes and invert onto serving plates. Top with a scoop of the whipped cream and a sprinkling of flaky sea salt.
Notes
Tips and Tricks:
Food coloring. I like to use gel food coloring because it has a more concentrated color. The pigment is stronger. But if you don't want to add it, simply leave it out. It obviously just won't come out red.
Chocolate options. If you want it sweeter, use milk chocolate. If you want it a bit stronger and richer, go for bittersweet chocolate.