In a medium bowl combine flour, almond flour, sugar, salt, baking powder, baking soda and lemon zest. Stir to combine, making sure to coat the lemon zest with flour and break up any clumps of zest.
Beat the eggs in a small bowl, then add milk and vanilla. Whisk to combine.
Gently whisk in ricotta cheese and lemon juice until mixture is fairly smooth.
Add wet ingredients to flour mixture and whisk to combine (mixture will be slightly lumpy, it's ok).
Heat medium sauté pan over medium heat and add 1 tbsp. of butter.
Using a 1/3 cup (80ml) measure, pour batter into the center or the pan.
Cook pancakes, without moving, until they begin to form bubbles on top and start to dry around the edges. Gently flip pancakes over and cook until golden and cooked through. (about 3 minutes per side)
Add butter to the pan as needed and continue cooking pancakes until all of the batter is gone.
Warm the jam in a small saucepan & thin with a few tablespoons of water. Serve warm over pancakes.