Super-nutritious rice cake (Yeongyang-chaltteok: 영양찰떡) recipe by Maangchi

Ingredients

• 1 cup (6 ounces: 170 grams) dried black beans with green kernels , soaked in cold water for 12 hours, and drained
• 1 pound glutinous rice flour
• 1 teaspoon kosher salt
• 1 cup plus 3 tablespoons cold water
• 20 to 24 peeled chestnuts (frozen or fresh), cut into halves
• 1 tablespoon white sugar
• 16 to 20 large dried jujubes , rinsed, deseeded, cut into 1/2 inch pieces
• ¼ cup pine nuts
• ½ cup rice syrup
• ½ cup water
• 2 tablespoons brown (or white) sugar
• 2 tablespoons honey
• a large cotton cloth (18 inch x 18 inch)
• 12 inch steamer