Hi kellie welcome.
I too vouch for the slow cooker- also i cook a bit extra and freeze , then i have some ready made meals for lunches
. Allergies must s#$% but cooking from scatch can be extremly healthy. I found areal time saver was shoving the cookbooks at hubby getting him to choose 4 meals then thats dinner done i write the shopping list and the other meals are the roast and meat with salad. Now i dont have to think of *dread* whats for dinner cos it's all done.Plus hubbies really happy.
15months is a difficult age for exercising not quite as portable as little one. In toowoomba we have access to free tennis courts the little ones can play while the adults play tennis or do sprints cardio etc.
Also dvds can come in handy.
walkin or bike riding- my daughter was born on a bike (not literally) but they have child carriers, I have a friend and she started a walking group once a week with other mothers and after the kids get to play.
maybe check out the community centre andstart a new hobby they often have dance classes etc on once a week for a low cost, then you could have a fun break while hubby has the daughter , which helps you toward your goal.
lets us no how you get on kellie- good luck