The procedure:
Make the streusel: In a medium bowl, whisk together the almond meal, all-purpose flour, granulated sugar and salt. Cut the butter into the dry mixture (or use your hands to rub the butter in) until the dough looks crumbly and sticks together when you compress a bit between your fingers. Try not to overwork the dough as the heat from your hands will melt the butter. Just aim for a crumb consistency. Place in the the refrigerator until ready for use.

Make the cake:
Preheat oven to 350F with a rack in the center rack. Line a tube pan or bundt pan with parchment paper and coat with oil or butter, then dust with flour. Set aside while you prepare the cake batter.

If you haven’t already, take your 6 tablespoons of butter and melt it over low heat (do not let the butter brown or boil, we just want to get it to a liquid state).

Special instructions if you’re using raw honey: Add the raw honey to the liquid butter, allowing it to become liquid from the butter’s residual heat. Yes, I know this renders it “unraw”, but we’re baking a cake here, for goodness sake!

Set aside the butter mixture to cool while you work on the rest of the cake.

In a large bowl, sift together the all-purpose flour, salt, baking soda, and granulated sugar.

In a medium bowl, mix together the 2 eggs, persimmon puree, oil, vanilla and almond extracts, and honey (if you haven’t already added it to the butter mixture). While stirring the liquid ingredients, slowly pour in the butter, incorporating it well.

Make a well in the center of the dry mixture and pour in the liquid mixture. Stir with a spatula until there are no visible lumps of flour. Add the chopped walnuts and raisins, and stir a couple of more times to evenly distribute them.

Pour the batter into the cake pan and smooth it out, trying to get an even distribution. The batter is a relatively thick one, due to the viscosity of the persimmon puree and honey. Take the streusel mixture and scatter it over the top of the batter. Place the cake into the oven and bake for 45 minutes, or until a toothpick inserted in the center comes out clean.

Let cool on a wire rack, then slice and enjoy! If there are leftovers, wrap them well in plastic wrap to prevent the cake from drying out. If the cake is well-wrapped, it will keep at room temperature for 2-3 days. Past that, I’d keep it in the refrigerator or freezer for future snackage.

The procedure:
Preheat the oven to 250 degrees F. Place the raw walnuts in a shallow pan and roast for 30 minutes, stirring once in a while so the nuts roast evenly. Keep an eye on them so they don’t burn and turn bitter. Once it starts to get fragrant, it’s almost ready. Remove the pan from the oven and let the walnuts cool.

Meanwhile, in a large pan, pan roast the black sesame seeds over medium-low heat, stirring continuously. Roast for about 10 minutes, or until the seeds start to smell fragrant. Turn off the heat immediately and remove the pan to a cool place. Grind the seeds in a spice grinder, coffee grinder or if you have a Vita-Mix/Blendtec, until you have a wonderfully fragrant powder. Make sure to scrape down the sides periodically so that you have a uniform grind.

By the way, grinding the seeds to a powder before making the butter ensures that you have a creamy end product; trying to grind the whole seeds with the walnuts will only result in a grainy, hulled butter. If this is what you prefer, by all means go for it

Once the black sesame powder and walnuts are cooled, place them in the bowl of your food processor along with the sea salt and sugar. Grind until creamy; this should only take about 2 – 3 minutes; it will first ball up, then loosen as the walnuts release their oils. Keep going until your tahini is whipped and smooth.

Scrape into a sterilized glass jar; allow to cool (it will be a bit warm from the processing) before putting on the cap and storing in the refrigerator. I’ll wager it’ll keep for at least two weeks, but keep an eye on it as walnut oils tend to go rancid quite easily.