In an mixing bowl, mix the fine semolina and coarse semolina with the warm butter. Allow is to sit for 10 minutes.
Add in the warm milk, orange blossom water, baking powder, yogurt and mix until very well combined.
Line a 15 inch x 10 inch non-stick pan with parchment paper. Brush with the tahini paste and then place the batter on it and spread out evenly on the pan with a spatula or wet palm. You can dip the spatula in water to help smoothen the surface.
Cover and let it rest for at least 2 hours (until the semolina absorbs the moisture and becomes softer).
Using a small knife, cut out the namoura batter into square patterns or diamond shape patterns. If necessary, dip the knife in water to get cleaner lines. The lines do not have to be perfect this is a guide to place the almonds.
Press in each piece of almond to the middle of the shaped portion.
Preheat the oven to 375 F.
First bake: Bake the Namoura cake on the middle rack in the pre-heated oven for 20 minutes then remove from the oven. Brush with melted butter.
Second bake: Return it back to the oven and bake for another 10 minutes. Once the edges are brown, turn the top broiler on to broil the top for just 1-2 minutes only to obtain a darker golden color. Watch very close so you do not burn it.
Remove from the oven and pour at least 3-4 cups of sugar syrup, preferably 4 cups evenly over the Namoura while it's hot. Let it cool at room temperature for a at least 2 hours before cutting into it and serving.