Between 2 widemouthed jars, divide oats, flaxseed, cocoa powder, and cinnamon. Pour 1/2 cup boiled water into each jar and stir well. Seal jars and let sit for 30 minutes, or until most of the liquid has been absorbed.
Stir together ricotta cheese, maple syrup, and vanilla. Place ricotta mixture on top of oats. Top with blueberries and pecans. Seal jars shut and chill overnight.
PER SERVING: 490 CALORIES; 19 G PROTEIN; 23 G TOTAL FAT (4 G SAT. FAT); 60 G TOTAL CARBOHYDRATES (13 G SUGARS, 14 G FIBER); 156 MG SODIUM