Twins and Gestational Diabetes

I am currently hitting 30 weeks and have to take insulin every night and monitor ketones in urine every morning along with 4x a day glucose testing. I am struggling with coming up with food ideas to meet the 280g a day limit of carbs. They want me to make sure I have carbs at every snack and meal bc of the twins. I’m so overwhelmed especially with two other kids and my husband and oldest daughters dietary restrictions (lactose free and sugar intolerance). I feel like by the time I’m ready to eat I’m so overwhelmed I end up either eating to little or too much. I’m getting sick of the same meals and snacks. Anyone have snack or meal ideas that are quick and easy to prep quickly. It’s always chaos here with meeting everyone’s needs. Feeling a bit defeated and overwhelmed right now. 😢 just want to enjoy the last few weeks of being pregnant and spending time with my girls before my other two girls get here. Feel like all I’m doing is focusing on food...sorry so long and a downer!