Answer:
1. base,bread,toast,cracker,puff pastry
2. fish
Explanation:
Passed appetizers are formed with a base and a topping/garnish.
The base can be made of various types of support elements for the garnish. Traditionally it's some form of bread or baked product.
So, first blank spot would be:
you will need a _base,bread,toast,cracker,puff pastry__ ,
Then on top of that base you place some garnish/topping. It has to have some form of proteins in there. Since the question mentions Dorothy has some leftover salmon... let's assume she'll use it.
then your__fish_ and garnish.
The altar can represent two things. Firstly, it can represent Christ's offering by his death on the cross. It can also symbolize the fellowship table at the last supper with Jesus and his disciples at the Passover, in which Jesus said "Do this in remembrance of me".