Pre-heat oven to 350F (180C). Grease and flour or line an 8 inch square (20 cm) pan with parchment paper.
FILLING
In a medium pot add the chopped dates, granulated sugar and water, bring to a boil then lower the heat to a simmer and cook for 5-8 minutes or until the dates start to fall apart and mixture thickens. Let cool.
CRUMBLE MIXTURE
In a large bowl whisk together the flour, oats, brown sugar, baking soda and salt, add the melted butter and stir with a wooden spoon or spatula to combine.
Place 1/2 the mixture in a greased and floured or parchment paper lined 8-inch square baking pan, and press firmly down. Place the date mixture on top, then top with the remaining crumb mixture, gently press.
Bake in the pre-heated oven for approximately 35-40 minutes or until golden brown. Let cool on wire rack completely before removing and cutting. Enjoy!
Notes
Store the date squares at room temperature in an air-tight container for 3-4 days. If you want them to last a little longer, you can place the container of date bars in the refrigerator for up to a week. Bring them to room temperature before serving.Freeze the completely cooled squares in a freezer safe container with parchment paper between the layers. They will keep for up to 2 months in the freezer.