1. Combine flour, ¼ cup sugar, baking powder, spices, sour cream, water, eggs, and 1 tsp of lemon juice in medium (4 qt) slow cooker. Mix well.
2. Combine berries, remaining sugar and lemon juice.
3. Pour berry mixture in center of batter.
4. Cover and cook on high for 2 hours.
5. Top with ice cream.