Peanut Butter And Jelly Streusel Bars

• 1 egg
• 325 gr strawberry jam stirred
• 280 gr brown sugar (light)
• 220 gr all purpose flour
• 180 ml creamy peanut butter
• 95 gr vegetable shortening
• 80 gr rolled oats quick-cooking
• 45 ml milk
• 14 gr vanilla extract
• 3 gr baking soda