Preheat oven to 400 F
Remove and discard the leaf of the rhubarb, rinse, and slice thinly
In a bowl, mix dry ingredients to combine well
In a food processor, mix eggs, milk, oil, and blossom water. Then pour mixture into dry ingredients
Add in rhubarb, stir to just combine
Divide batter per 1/4 c, top with 1 tbsp jam, then top again with another 1/4 c (per mold cavity)
Bake muffin for 18 mins