Lightly spoon flour into dry measuring cups; level with a knife.
Combine flour, baking soda, and next 5 ingredients; stir with a whisk.
Combine sugar and next 5 ingredients in a large mixing bowl; beat with a mixer at medium speed just until smooth. Gradually add flour mixture, beating just until moist.
Stir in dates and walnuts.
Pour batter into an 8 x 4-inch loaf pan coated with cooking spray.
Bake at 350 for 55 minutes or until a wooden pick inserted in center comes out clean.
Remove bread from pan immediately; cool on a wire rack.